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Common File Extensions

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.RAR File Extension

Run a free scan for .RAR file extension errors.

File Type WinRAR Compressed Archive
Category Compressed Files
Common? Yes
File Description File or group of files compressed with RAR compression; uses a higher compression ratio than typical ZIP compression; incorporates a proprietary compression algorithm now used by other compressors such as 7-Zip (for .7z files).

The RAR compressor can also create spanned archives, or compressed archives that are split across several files; these files may have file extensions from ".R00" to ".R99" or may all have the standard ".RAR" extension. The name "RAR" comes from "Roshal ARchive" since the RAR compression algorithm was developed by Eugene Roshal.
Program(s) that open rar files
Mac OS Mac OS UnRarX
Smith Micro Stuffit Expander
Dare to be Creative iArchiver
Windows Windows RARLAB WinRAR
Bitberry BitZipper
Alpha ZIP
Smith Micro Stuffit Expander
Linux Linux unrar
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Updated 5/1/08
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