File Extension RAR

File type: WinRAR Compressed Archive

About the RAR file type:

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The RAR file extension is the file extension used to refer to compressed archives proprietarily using the RAR archiving format. This file extension supports error recovery, spanning, and data compression. Though the files using the RAR file extension are less common, they are also used to refer to the Resource Adapter Archive, the standard format for deploying resource adapters and connectors on the WebSphere Application Server developed by IBM.

Detailed information for file extension RAR

Category: Compressed Files
File format: Propriety
Open with Windows: Zipeg, Alpha ZIP, Corel WinZip, Smith Micro Stuffit Deluxe 12, Bitberry BitZipper, RARLAB WinRAR
Open with Linux: unrar
This file format was developed by Eugene Roshal, a Russian programmer. The RAR files also require a longer time to compress, although they have higher compression ratio compared to other archiving formats, like the GZIP or ZIP file extensions. The improvement in the compression made using this file extension depends mainly on the files being compressed. Currently, the files using the file extension RAR may only be created with commercial software applications like Squeeze or WinRAR. Both applications are only available on the Windows Operating System.