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.RAR File Extension

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File TypeWinRAR Compressed Archive

DeveloperEugene Roshal
4.0 (967 Votes) Thanks for voting!
Rare Uncommon Average Common Very Common
CategoryCompressed Files


This file is saved in a binary format, which requires a specific program to read its contents.

What is an RAR file?

A RAR file is an archive that contains one or more files compressed with RAR compression. It uses a higher compression ratio than typical ZIP compression and incorporates a proprietary compression algorithm that is now used by other compressors, including 7-Zip for its .7Z files. RAR files may be extracted using a variety of programs.

More Information

The RAR compressor can also create spanned, or multi-volume, archives, which are split across several compressed files. These files typically have file extensions from ".R00" to ".R99," or they may all have the standard ".RAR" extension.

NOTE: The name "RAR" stands for "Roshal ARchive," which was named after Eugene Roshal, the RAR compression algorithm developer.

Programs that open RAR files
File Viewer Plus
WinRAR 5
Corel WinZip 20
Smith Micro StuffIt Deluxe for Windows
B1 Free Archiver
WinMount International WinMount
Whirling Dervishes Alpha ZIP
Free RAR Extract Frog
Corel WinZip Mac 5
Smith Micro StuffIt Deluxe 16
Incredible Bee Archiver
The Unarchiver
B1 Free Archiver
B1 Free Archiver
ES File Explorer File Manager
Updated 6/6/2016

FileInfo - The File Extensions Database

This page contains information about the .RAR extension and its known file associations. Our goal is to help you understand what an RAR file is and how to open it.

The WinRAR Compressed Archive file type, file format description, and programs listed on this page have been individually researched and verified by the FileInfo team. We strive for 100% accuracy and therefore do not publish any information we have not verified.

If you would like to suggest any additions or updates to this page, please let us know!