RAR to 7Z

Convert RAR to 7Z - online and free - this page also contains information on the RAR and 7Z file extensions.

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File extension	.rar
Category	Compressed File
Description	Named after its Russian creator, the RAR format, standing for Roshal Archive, is a compressed file type. The compression technique used to create RAR files is proprietary and has been licensed to other paid and freeware compression file applications. The RAR format also provides features such as repair, which will attempt to restore part or all of the file when physical damage has occurred. The RAR format established itself as a rival to the ZIP file format due to its superior compression ratios.
Actions	*RAR to 7Z* - Convert file now View other compressed file formats
Technical Details	The RAR format allows for an extremely large potential file size, with 20 Exabyte's being the upper limit. The format permits spanning across multiple RAR files. This sometimes leads to the file extension being renamed from .RAR to .R01,.R02 etc. This is particularly useful when an archive needs to be transferred to removable media such as a memory card or CD/DVD. RAR, along with several other lossless file compression formats, is based on Huffman encoding.
Associated programs	7Zip StuffIt WinRAR WinZip
Developed by	Eugene Roshal
MIME type	application/x-rar-compressed
Useful links	Official RARLab Pages More Information on the RAR format RAR to ZIP Convert RAR file

File extension	.7z
Category	Compressed File
Description	First released in 1999, the .7z file extension was first released alongside the 7Zip open source archiving application. The format allows for any conversion, encryption or compression method to be applied. Because any of these methods can be used, the format is effectively future proofed. The file type also allows for its size to be extremely large and can achieve high rates of compression.
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Technical Details	The 7z file extension allows for files of up to 16000000000 GB. 7 types of compression are currently supported. The default compression technique, LZMA, compresses at approximately 1MB/s and decompresses at up to 20MB/s. The file format supports the use of AES-256 encryption.
Associated programs	7Zip WinRAR WinZip
Developed by	7-zip
MIME type	application/x-7z-compressed
Useful links	Official 7 Zip Information on 7z More Information on 7z RAR to ZIP Convert 7Z file

Using Zamzar it is possible to convert RAR files to a variety of other formats

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