rtf reader. What does the RTF file format mean, how to open it

The MS Office application is known to almost all computer users, if not all over the world, then in our country for sure. This popularity is largely due to the growing needs of the modern world in the creation and exchange of information. In any modern government agency, thousands of documents are created and sent daily, and therefore there is an urgent need for programs that can standardize and simplify this process.

However, in this regard, the rtf format is much more interesting, which in most cases can be positioned as a universal means of transmitting information. By the way, why is he so good? Why not use doc?

The fact is that the rtf format is openly supported by almost all operating systems, and can also be read by the simplest To use it, there is no need to install complex, heavy and expensive office suites. Most text data applications support saving to this standard.

But even this is not why users love the rtf format so much. Unlike the aforementioned doc, as well as docx, odt and other similar files, it can only contain text. Inexperienced users may think that there is nothing else in all the above types of text documents, but this is not so. The fact is that in the same doc office format, beloved by our domestic users, there can be macros. In fact, these are real programs that can be used by attackers for far from good purposes.

They account for a large part of the infections that occur at the time of launching text documents downloaded from the Internet. Using the rtf format, you actually risk nothing. But he also has certain disadvantages, which also need to be taken into account when saving his work. For example, to convert the rtf format to txt, you still have to use some office application. But this is not a big problem.

For example, it cannot be used to create dynamically linked documents. Embedding objects in the target document results in a significant increase in the size of the latter. In this regard, sometimes a method is used in which only a connection with the source is established. In this case, although the object is displayed in the receiving document, it is not saved in it, since inside the document there is only a link to the source file or object. Therefore, do not insert especially large pictures in rtf format.

In addition, he also has certain formatting problems. So, do not try to save an important document or diploma in rtf format. You will always find how to open it, but no one will guarantee the preservation of the original look of your creation. In addition, it is almost completely absent. Simply put, if you saved the work in the old version of the program, then it will almost certainly not open in the new application.

It is not worth hoping for OpenSource products, since at the moment Microsoft (namely, this company is the creator of the format) has posted only primary versions of rtf in the public domain.

Hello friends! Today we will talk about an unusual file format called rtf. From the article, you will learn a little about the history of the creation of this extension, how to open the rtf format, what programs are used for this. Since this file is quite common, there are many applications that can open and edit it. In the article, I will give only a few of the best utilities that can open this type of file.

Rtf format - first acquaintance

This format saves text files that support rich text. Back in 1982, Microsoft programmers suggested using the rtf extension, which could later be formatted. After that, this file format became supported by almost all GPUs. The most famous of them is, of course, Microsoft Word.

How to open rtf - a selection of programs

As you already understood, in order to work with this file we need a text editor. Since the format is the brainchild of Microsoft, it took care of its users and built a free text editor called WordPad directly into Windows that works with this type of extension. But there are also alternative programs. Among the most advanced alternatives are:

  • AbiWord
  • openoffice

These two free programs will easily open any file with the rtf extension. It makes no sense to list all other applications, since the opening process for all of them is identical. The only difference between them is in the interface and setup. The two programs above are leaders in the free word processor niche, so I recommend using one of them.

RTF (Rich Text Format) is a text format that is more advanced than regular TXT. The goal of the developers was to create a format that is convenient for reading documents and e-books. This was achieved thanks to the introduction of support for meta tags. Let's find out which programs can operate with objects with the RTF extension.

Format Processing Applications

Three groups of applications support work with Rich Text Format:

  • word processors included in a number of office suites;
  • software for reading e-books (the so-called "readers");
  • text editors.

In addition, objects with this extension can open some universal viewers.

Method 1: Microsoft Word

If you have Microsoft Office installed on your computer, then RTF content can be displayed without problems using the Word word processor.

Download Microsoft Office


In general, Word works very correctly with the RTF format, correctly displaying all objects that have meta tags applied to them in the document. But this is not surprising, since the developer of the program and this format is the same - Microsoft. As for the limitation on editing RTF documents in Word, this is more a problem of the format itself, and not of the program, since it simply does not support some advanced features that, for example, are used in the DOCX format. The main drawback of Word is that the specified text editor is part of the paid office suite Microsoft Office.

Method 2: LibreOffice Writer

The next word processor that can work with RTF is Writer, which is included in the free LibreOffice office suite.


There is also an alternative option for launching a text document in the LibreOffice start window.


To implement another option for opening an object, it is enough to move to the final directory in Explorer, select itself text file and drag it, while holding down the left mouse button, into the LibreOffice window. The document will appear in Writer.

There are also options for opening text not through the LibreOffice start window, but through the interface of the Writer application itself.


As you can see, LibreOffice Writer provides more options for opening text than Word. But, at the same time, it should be noted that when displaying text of this format in LibreOffice, some spaces are marked in gray, which can interfere with reading. In addition, the book view of Libre is inferior in terms of convenience to the Word reading mode. In particular, in the "Portrait View" mode, unnecessary tools are not removed. But the undoubted advantage of the Writer application is that it can be used absolutely free of charge, unlike the Microsoft Office application.

Method 3: OpenOffice Writer

Another free alternative to Word when opening RTF is to use the OpenOffice Writer application, which is included in another free package office software - Apache OpenOffice.


There is an option to launch from the start window of the OpenOffice package.


It is also possible to launch a document by dragging from Explorer to the OpenOffice start window in the same way as for LibreOffice.

The opening procedure is also carried out through the Writer interface.


Actually, all the advantages and disadvantages of OpenOffice Writer when working with RTF are the same as those of LibreOffice Writer: the program is inferior to Word in visual display of content, but at the same time, unlike it, it is free. In general, the LibreOffice office suite is currently considered more modern and advanced than its main competitor among free counterparts - Apache OpenOffice.

Method 4: WordPad

Some ordinary text editors, which differ from the word processors described above in less developed functionality, also support working with RTF, but not all of them. For example, if you try to run the contents of a document in Windows Notepad, instead of pleasant reading, you will get text interspersed with meta tags, whose task is to display formatting elements. But you will not see the formatting itself, since Notepad does not support it.

But in Windows there is a built-in text editor that successfully copes with displaying information in RTF format. It's called WordPad. Moreover, the RTF format is the main one for it, since by default the program saves files with this extension. Let's see how you can display the text of the specified format in the standard Windows program wordpad.


The fact is that WordPad is registered in the Windows registry as the default software for opening this format. Therefore, if no adjustments were made to the system settings, then the text will open in the specified way in WordPad. If changes were made, then the document will be launched using the software that is assigned by default to open it.

It is possible to launch RTF also from the WordPad interface.


Of course, in terms of displaying content, WordPad is significantly inferior to all the word processors that were listed above:

  • This program, unlike them, does not support working with images that can be embedded in a document;
  • She does not break the text into pages, but presents it as a single tape;
  • The application does not have a separate reading mode.

But at the same time, WordPad has one important advantage before the above programs: it does not need to be installed, as it is included in the basic version of Windows. Another advantage is that, unlike previous programs, in order to launch RTF in WordPad, by default, just click on an object in Explorer.

Method 5: CoolReader

Not only word processors and editors can open RTF, but also readers, that is, software designed exclusively for reading, and not for editing text. One of the most popular programs of this class is CoolReader.

In general, CoolReader displays RTF content formatting quite correctly. The interface of this application is more readable than that of word processors and, moreover, text editors, which we described above. At the same time, unlike previous programs, it is impossible to edit text in CoolReader.

Method 6: AlReader

Another reader that supports working with RTF is AlReader.


Displaying RTF content in this program is not much different from the capabilities of CoolReader, so in this particular aspect, the choice is a matter of taste. But in general, AlReader supports more formats and has more extensive tools than CoolReader.

Method 7: ICE Book Reader

The next reader that supports the described format is the ICE Book Reader. True, it is more focused on creating a library of e-books. Therefore, the opening of objects in it is fundamentally different from all previous applications. You won't be able to run the file directly. It will first need to be imported into the internal library of the ICE Book Reader, and after that it will be opened.


In general, like most other readers, the RTF content in ICE Book Reader is displayed correctly, and the reading procedure is quite convenient. But the opening process looks more complicated than in previous cases, since you have to import into the library. Therefore, most users who do not have their own library prefer to use other viewers.

Method 8: Universal Viewer

Also, many universal viewers can work with RTF files. These are programs that support viewing completely different groups of objects: video, audio, text, tables, images, etc. One such application is Universal Viewer.


There is also another option.


The Universal Viewer displays the contents of RTF objects in a style similar to that of word processors. Like most other universal programs, this application does not support all standards of certain formats, which may lead to errors in displaying some characters. Therefore, it is recommended to use the Universal Viewer for general familiarization with the contents of a file, and not for reading a book.

We have introduced you to only a part of those programs that can work with the RTF format. At the same time, we tried to select the most popular applications. The choice of a particular one for practical use, first of all, depends on the goals of the user.

So, if the object needs to be edited, it is best to use word processors: Microsoft Word, LibreOffice Writer or OpenOffice Writer. And the first option is preferable. To read books, it is better to use reader programs: CoolReader, AlReader, etc. If you also maintain your own library, then ICE Book Reader is suitable. If you need to read or edit RTF, but do not want to install additional software, then use the built-in Windows text editor WordPad. Finally, if you don't know which application to run a file of this format with, you can use one of the universal viewers (for example, Universal Viewer). Although, after reading this article, you already know how to open RTF.

We are glad we were able to help you resolve the issue.

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How to open RTF file

You can open the RTF format offline with:

  1. libreoffice
  2. openoffice
  3. TextEdit for Mac OS X
  4. wordpad for windows

Online can be opened with:

  1. Google Docs
  2. Yandex browser

RTF stands for Rich Text Format or "Rich Text Format" (author's translation :)).

Founded or invented in 1982 by programmers from Adobe and Microsoft. After these companies did not share something, Microsoft programmers continued to develop their own RTF format, and Abode programmers made PostScript based on it.

The structure of an RTF document is shown in the figure below.


File RTF open in notepad

The document starts with a tag

and ends

I barely know HTML and these markup languages ​​seemed very similar to me. There is also an opening tag (for example

Paragraph start) and closing (

end of paragraph). In RTF format, this tag is "\par".

That is, if you need to somehow change part of the text, then this part of the text is enclosed in curly brackets () and the tag of the desired tag is put, for example \b - bold text.

Learn more about how to open RTF format. I really dislike installing anything on my computer under Microsoft Windows 10. By default, the WordPad program is built in there and it copes with its task without any problems.

You can launch WordPad by finding it through the search.

Finding WordPad in Windows 10

In order to open the search window, you need to click on the button.

How to open with Google Docs.


RTF file in Google Docs

Now this RTF file will be in your Google Drive - you can always and everywhere (where there is Internet) open and save it in any of the available formats.


Available formats for saving documents

Thus, you can convert an RTF document online to a format that is more convenient for you. On android, it seems to me, you can also work through Google Docs.

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Microsoft Gold Certification

Someone emailed you an RTF file and you don't know how to open it? Maybe you have found an RTF file on your computer and wondering what it's for? Windows may tell you that you cannot open it, or in the worst case scenario, you may encounter the corresponding error message associated with the RTF file.

Before you can open an RTF file, you need to figure out what kind of file the RTF file extension is.

Tip: Incorrect RTF file associations can be a sign of other underlying problems with your Windows operating system. These incorrect entries can also cause other related problems such as slow Windows startup, computer freezes, and other PC performance problems. Therefore, we highly recommend that you scan your Windows registry for bad file associations and other registry fragmentation related issues.

Answer:

RTF files are Text Files, which are predominantly associated with the Rich Text Format File.

Other types of files may also use the RTF file extension. If you are aware of any other file formats that use the RTF file extension, please contact us so that we can update our information accordingly.

How to open your RTF file:

Download »

The fastest and easiest way to open your RTF file is to double-click it. In this case Windows system will select the appropriate program to open your RTF file.

In the event that your RTF file does not open, it is highly likely that you do not have the required software application installed on your PC to view or edit files with RTF extensions.

If your PC opens the RTF file but in the wrong program, you will need to change the file association settings in your Windows registry. In other words, Windows associates RTF file extensions with the wrong program.

Software downloads related to RTF file extension:

  • Rich Text Format File
  • * Some RTF file extension formats can only be opened in binary format.

    Download FileViewPro to open your RTF files now

    RTF Multipurpose Internet Mail Extensions (MIME):

    RTF File Analysis Tool™

    Are you not sure what type the RTF file is? Want to get accurate information about a file, its creator, and how it can be opened?

    Now you can instantly get all the information you need about an RTF file!

    Revolutionary RTF File Analysis Tool™ scans, analyzes and reports detailed information about an RTF file. Our algorithm (patent pending) will quickly parse the file and in a few seconds provide detailed information in a visual and easy to read format.†

    Within seconds, you'll know exactly what your RTF file type is, the application associated with the file, the name of the user who created the file, the file's protection status, and more. useful information.

    To start your free file analysis, simply drag-and-drop your RTF file inside the dotted lines below, or click Browse My Computer and select your file. The analysis report of the RTF file will be shown at the bottom, right in the browser window.

    Your file is being parsed... please wait.

    File name:

    File size:

    abort

    † RTF File Analysis Tool utilizes third-party software components. Click here to read the legal disclaimer.


    # A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

    www.solvusoft.com

    RTF file format - description, how to open?

    RTF file opens special programs. To open this format, download one of the suggested programs.

    RTF is a format used for text documents. The abbreviation in its name stands for Rich Text Format. RTF files were once used to create Windows Help but have been superseded Microsoft documents Compiled HTML, where the CHM extension is used.

    What's in .RTF files

    A file with the .RTF extension differs from a plain text document (.txt) in that it can contain formatting such as bold and italic text, as well as a variety of fonts and images of any size.

    RTF files are useful because many programs support them. This means that you can create an RTF file in one program and on a specific operating system (for example, Mac OS), and then open it on Windows or Linux without losing formatting.

    RTF extension was first used in 1987, but in 2008 Microsoft discontinued its support. Whether one document editor will display an RTF file in the same way as the second one in which it was created depends on which version of the format is being used.

    How to open RTF file

    The easiest way to open an RTF file in Windows is to use WordPad, as it comes with the standard software package. Alternatives would be many other text editors and word processors - Notepad++, AbiWord, LibreOffice and OpenOffice.

    It should be understood that not every program where you can work with RTF will read files "one to one". This is because some applications do not support the latest RTF format specifications. Other programs for opening and editing RTF files are Microsoft Word or Corel WordPerfect, but they are not offered for free.

    Some of these RTF editors for Windows also work with Linux and Mac. Mac OS users can also download Apple TextEdit or Apple Pages to open files with this extension.

    www.azfiles.ru

    RTF - Rich Text Format File

    On Windows: Microsoft WordPad, Microsoft Word, Microsoft Works, Corel WordPerfect Office X6, Nuance OmniPage, Atlantis Word Processor, TextMaker Viewer, TextMaker, AbiWord, IBM Lotus Symphony, Adobe Illustrator, Ability Write, Any text editor that supports formatted text On Mac OS: Apple TextEdit, Apple Pages, Microsoft Word, Nuance OmniPage Pro X, NeoOffice, iWork Pages, Any rich text editor Linux: KWord Cross-platform: OpenOffice.org, LibreOffice Writer, LibreOffice Windows Mobile/CE: Word Mobile Symbian: OfficeSuite Google Android: OfficeSuite Viewer, OfficeSuite Professional

    Description of the RTF extension

    Popularity:

    Section: Documents

    Developer: Microsoft

    The RTF extension is used for documents written in the RTF format (from the English Rich Text Format, translated as “rich text format”), a text format with basic formatting functions (different types of text formatting, different fonts and font sizes, various user tab settings, also supports images saved in a text file, etc.). The RTF format is stored as a plain text file with additional markup, somewhat similar to the HTML file format. The format was created in 1982 for word editor and since then its specification has changed several times. .RTF allows text files to be exchanged between different text programs or different operating systems and is supported by all modern text programs.

    MIME type: application/msword, application/rtf, application/x-rtf, text/richtext, text/rtf HEX code: 7B 5C 72 74 66 ASCII code: (\rtf

    Chief Technology Writer

    Someone emailed you an RTF file and you don't know how to open it? Maybe you have found an RTF file on your computer and wondering what it's for? Windows may tell you that you cannot open it, or in the worst case scenario, you may encounter the corresponding error message associated with the RTF file.

    Before you can open an RTF file, you need to figure out what kind of file the RTF file extension is.

    tip: Incorrect RTF file association errors can be a symptom of other underlying issues within your Windows operating system. These invalid entries can also produce associated symptoms such as slow Windows startups, computer freezes, and other PC performance issues. Therefore, it is highly recommended that you scan your Windows registry for invalid file associations and other issues related to a fragmented registry.

    Answer:

    RTF files are Text Files, which are predominantly associated with the Rich Text Format File.

    Other types of files may also use the RTF file extension. If you are aware of any other file formats that use the RTF file extension, please contact us so that we can update our information accordingly.

    How to open your RTF file:

    The fastest and easiest way to open your RTF file is to double-click it. In this case, the Windows system itself will select the necessary program to open your RTF file.

    In the event that your RTF file does not open, it is highly likely that you do not have the required software application installed on your PC to view or edit files with RTF extensions.

    If your PC opens the RTF file but in the wrong program, you will need to change the file association settings in your Windows registry. In other words, Windows associates RTF file extensions with the wrong program.

    Install optional products - FileViewPro (Solvusoft) | | | |

    RTF Multipurpose Internet Mail Extensions (MIME):

    • mime application/rtf
    • mimetext/richtext
    • mimetext/rtf

    RTF File Analysis Tool™

    Are you not sure what type the RTF file is? Want to get accurate information about a file, its creator, and how it can be opened?

    Now you can instantly get all the information you need about an RTF file!

    Revolutionary RTF File Analysis Tool™ scans, analyzes and reports detailed information about an RTF file. Our algorithm (patent pending) will quickly parse the file and in a few seconds provide detailed information in a visual and easy to read format.†

    Within seconds, you'll know exactly what type your RTF file is, the application associated with the file, the name of the user who created the file, the file's protection status, and other useful information.

    To start your free file analysis, simply drag-and-drop your RTF file inside the dotted lines below, or click Browse My Computer and select your file. The analysis report of the RTF file will be shown at the bottom, right in the browser window.

    Drag and drop RTF file here to start analysis

    View my computer »

    Please also check my file for viruses

    Your file is being parsed... please wait.

    RTF (Rich Text Format) is a text format that is more advanced than regular TXT. The goal of the developers was to create a format that is convenient for reading documents and e-books. This was achieved thanks to the introduction of support for meta tags. Let's find out which programs can operate with objects with the RTF extension.

    Three groups of applications support work with Rich Text Format:

    • word processors included in a number of office suites;
    • software for reading e-books (the so-called "readers");
    • text editors.

    In addition, objects with this extension can open some universal viewers.

    Method 1: Microsoft Word

    If you have Microsoft Office installed on your computer, then RTF content can be displayed without problems using the Word word processor.


    In general, Word works very correctly with the RTF format, correctly displaying all objects that have meta tags applied to them in the document. But this is not surprising, since the developer of the program and this format is the same - Microsoft. As for the limitation on editing RTF documents in Word, this is more a problem of the format itself, and not of the program, since it simply does not support some advanced features that, for example, are used in the DOCX format. The main drawback of Word is that the specified text editor is part of the paid office suite Microsoft Office.

    Method 2: LibreOffice Writer

    The next word processor that can work with RTF is Writer, which is included in the free LibreOffice office suite.


    There is also an alternative option for launching a text document in the LibreOffice start window.


    To implement another option for opening an object, it is enough to move to the final directory in Explorer, select the text file itself and drag it, while holding the left mouse button, into the LibreOffice window. The document will appear in Writer.

    There are also options for opening text not through the LibreOffice start window, but through the interface of the Writer application itself.


    As you can see, LibreOffice Writer provides more options for opening text than Word. But, at the same time, it should be noted that when displaying text of this format in LibreOffice, some spaces are marked in gray, which can interfere with reading. In addition, the book view of Libre is inferior in terms of convenience to the Word reading mode. In particular, in the mode "Book View" unnecessary tools are not removed. But the undoubted advantage of the Writer application is that it can be used absolutely free of charge, unlike the Microsoft Office application.

    Method 3: OpenOffice Writer

    Another free alternative to Word when opening RTF is to use the OpenOffice Writer application, which is included in another free office software package - Apache OpenOffice.


    There is an option to launch from the start window of the OpenOffice package.


    It is also possible to start the document by dragging from Explorer to the OpenOffice start window in the same way as for LibreOffice.

    The opening procedure is also carried out through the Writer interface.


    Actually, all the advantages and disadvantages of OpenOffice Writer when working with RTF are the same as those of LibreOffice Writer: the program is inferior to Word in visual display of content, but at the same time, unlike it, it is free. In general, the LibreOffice office suite is currently considered more modern and advanced than its main competitor among free counterparts - Apache OpenOffice.

    Method 4: WordPad

    Some ordinary text editors, which differ from the word processors described above in less developed functionality, also support working with RTF, but not all of them. For example, if you try to run the contents of a document in Windows Notepad, instead of pleasant reading, you will get text interspersed with meta tags, whose task is to display formatting elements. But you will not see the formatting itself, since Notepad does not support it.

    But in Windows there is a built-in text editor that successfully copes with displaying information in RTF format. It's called WordPad. Moreover, the RTF format is the main one for it, since by default the program saves files with this extension. Let's see how you can display the text of the specified format in the standard Windows WordPad program.


    The fact is that WordPad is registered in the Windows registry as the default software for opening this format. Therefore, if no adjustments were made to the system settings, then the text will open in the specified way in WordPad. If changes were made, then the document will be launched using the software that is assigned by default to open it.

    It is possible to launch RTF also from the WordPad interface.


    Of course, in terms of displaying content, WordPad is significantly inferior to all the word processors that were listed above:

    • This program, unlike them, does not support working with images that can be embedded in a document;
    • She does not break the text into pages, but presents it as a single tape;
    • The application does not have a separate reading mode.

    But at the same time, WordPad has one important advantage over the programs mentioned above: it does not need to be installed, as it is included in the basic version of Windows. Another advantage is that, unlike previous programs, in order to launch RTF in WordPad, by default, just click on an object in Explorer.

    Method 5: CoolReader

    Not only word processors and editors can open RTF, but also readers, that is, software designed exclusively for reading, and not for editing text. One of the most popular programs of this class is CoolReader.


    In general, CoolReader displays RTF content formatting quite correctly. The interface of this application is more readable than that of word processors and, moreover, text editors, which we described above. At the same time, unlike previous programs, it is impossible to edit text in CoolReader.

    Method 6: AlReader

    Another reader that supports working with RTF is AlReader.


    Displaying RTF content in this program is not much different from the capabilities of CoolReader, so in this particular aspect, the choice is a matter of taste. But in general, AlReader supports more formats and has more extensive tools than CoolReader.

    Method 7: ICE Book Reader

    The next reader that supports the described format is the ICE Book Reader. True, it is more focused on creating a library of e-books. Therefore, the opening of objects in it is fundamentally different from all previous applications. You won't be able to run the file directly. It will first need to be imported into the internal library of the ICE Book Reader, and after that it will be opened.

    1. Activate ICE Book Reader. Click the icon "Library", which is represented by a folder-shaped icon in the top horizontal bar.
    2. Once the library window is launched, click "File". Select .

      Alternatively, in the library window, click on the icon "Import text from a file" in the form of a plus sign.

    3. In the opened window, navigate to the folder where the text document you want to import is located. Make a selection and click OK.
    4. The content will be imported into the ICE Book Reader library. As you can see, the name of the target text object has been added to the library list. To start reading this book, double-click the left mouse button on the name of this object in the library window, or click Enter after its release.

      You can also select this object, click "File" and then choose "To read a book".

      Another option: after highlighting the name of the book in the library window, click on the icon "To read a book" in the form of an arrow on the toolbar.

    5. With any of the above actions, the text will be displayed in the ICE Book Reader.

    In general, like most other readers, the RTF content in ICE Book Reader is displayed correctly, and the reading procedure is quite convenient. But the opening process looks more complicated than in previous cases, since you have to import into the library. Therefore, most users who do not have their own library prefer to use other viewers.

    Method 8: Universal Viewer

    Also, many universal viewers can work with RTF files. These are programs that support viewing completely different groups of objects: video, audio, text, tables, images, etc. One such application is Universal Viewer.


    There is also another option.


    The Universal Viewer displays the contents of RTF objects in a style similar to that of word processors. Like most other universal programs, this application does not support all standards of certain formats, which may lead to errors in displaying some characters. Therefore, it is recommended to use the Universal Viewer for general familiarization with the contents of a file, and not for reading a book.

    We have introduced you to only a part of those programs that can work with the RTF format. At the same time, we tried to select the most popular applications. The choice of a particular one for practical use, first of all, depends on the goals of the user.

    So, if the object needs to be edited, it is best to use word processors: Microsoft Word, LibreOffice Writer or OpenOffice Writer. And the first option is preferable. To read books, it is better to use reader programs: CoolReader, AlReader, etc. If you also maintain your own library, then ICE Book Reader is suitable. If you need to read or edit RTF, but do not want to install additional software, then use the built-in Windows text editor WordPad. Finally, if you don't know which application to run a file of this format with, you can use one of the universal viewers (for example, Universal Viewer). Although, after reading this article, you already know how to open RTF.