.RAR computer program file extension

Here is what i found.
http://filext.com/r.htm
.RAR RAR Compressed Archive

Here is what i found.
http://filext.com/r.htm
.RAR RAR Compressed Archive

It is the extension for Winrar which is a compression utility similar to Winzip.

It is for the RAR/WinRAR archiving software. You may use it to backup your data and reduce size of email attachments, decompress rar, zip and other files downloaded from Internet and create your own file archives.

http://www.rarlab.com/

Best site I know of for File Extension questions is here:

http://filext.com/

Good luck...hope this helps!

In addition to the above, you may like to know that the file can be opened by WinZip also. Just associate Winzip with all archives.

Also, WinRAR by itself also allows you to make self-extracting executables.

HTH

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