The R file extension is related to the Pegasus Mail resource file format.

There are 6 other file types using
the R file extension!

empty icon.r - RatFor Fortran preprocessor source

r icon.r - Corel Paradox data

r icon.r - Apple Xcode core rez program

empty icon.r - Progress database compiled program

empty icon.r - Sound Designer 2 data

empty icon.r - R script

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R file extension - Pegasus Mail resource file

What is r file? How to open r files?

File type specification:

Various data file type icon Various data file type

The R file extension is associated with Pegasus Mail an e-mail client developed for Novell and MS-DOS later for Microsoft Windows operating systems. The *.r file stores some kind of resources used by Pegasus Mail.

The default software associated to open r file:

Pegasus Mail icon

Pegasus Mail  Microsoft Windows software

Company or developer:
David Harris

Pegasus Mail is one of  the Internet's longest-serving PC e-mail system used on Windows.

Help how to open:

Due the variability and uncertainty of this file type group, there is no general information available, about how to open this various data file format. However most files with extension from this group are usually not meant to be opened or viewed directly. If there are associated applications or programs listed below the extension description, you can always try to check their website for additional informations on their forums or other type of customer support.

For general information try to look at:
Identifying unknown file formats

How to convert:

As far as we know, this .r file type can't be converted to any other file format. This is usually the case of system, configuration, temporary, or data files containing data exclusive to only one software and used for its own purposes. Also some proprietary or closed file formats cannot be converted to more common file types in order to protect the intellectual property of the developer, which is for example the case of some DRM-protected multimedia files.

List of recommended software applications associated to the .r file extension

Recommended software programs are sorted by OS platform (Windows, macOS, Linux, iOS, Android etc.)
and possible program actions that can be done with the file: like open r file, edit r file, convert r file, view r file, play r file etc. (if exist software for corresponding action in's database).

Unspecified and all other actions for computer programs working with r file - Pegasus Mail resource file

Click on the software link for more information about Pegasus Mail. Pegasus Mail uses r file type for its internal purposes and/or also by different way than common edit or open file actions (eg. to install/execute/support an application itself, to store application or user data, configure program etc.).

Microsoft Windows:

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