WinRAR is a trialware file archiver utility for Windows.
It can create and view archives in RAR or ZIP file formats,[4] and
unpack numerous archive file formats. To enable the user to test the
integrity of archives, WinRAR embeds CRC32 or BLAKE2 checksums for each
file in each archive. WinRAR supports creating encrypted, multi-part and
self-extracting archives.
Overview:
WinRAR and the RAR file format have evolved over time. Support for the archive format RAR, using the same RAR file extension as earlier versions, files in the older RAR file format are now referred to as RAR
Options added in v5 include 256-bit BLAKE2 file-hashing algorithm instead of default 32-bit CRC32, duplicate file detection, NTFS hard and symbolic links, and Quick Open record to allow large archives to be opened faster.
The RAR5 file format removed comments for each file (though archive comment still remains), authenticity verification, and specialized compression algorithms for text and multimedia files. RAR5 also changed the file name for split volumes from "archivename.rNN" to "archivename.partNN.rar".
WinRAR and the RAR file format have evolved over time. Support for the archive format RAR, using the same RAR file extension as earlier versions, files in the older RAR file format are now referred to as RAR
Options added in v5 include 256-bit BLAKE2 file-hashing algorithm instead of default 32-bit CRC32, duplicate file detection, NTFS hard and symbolic links, and Quick Open record to allow large archives to be opened faster.
The RAR5 file format removed comments for each file (though archive comment still remains), authenticity verification, and specialized compression algorithms for text and multimedia files. RAR5 also changed the file name for split volumes from "archivename.rNN" to "archivename.partNN.rar".
Features
Packing (creation) of RAR or ZIP archives.
Unpacking of ACE, ARJ, BZIP2, CAB, EXE, GZ, ISO, JAR, LHA, RAR, TAR, UUE, XZ, Z, ZIP, ZIPX, 7z, 001 (split) archives.[8][9]
Checksum (integrity) verification for ACE, ARJ, BZIP2, CAB, GZ, BZIP2, RAR, XZ, ZIP and 7z archives.
Multithreaded CPU compression and decompression.
Support for maximum file size of 16 EiB (264 bytes) minus 1.
Compression dictionary from 1 MiB to 1 GiB (limited to 256 MiB on 32-bit Windows, however 32-bit Windows still can decompress archives with 1 GiB dictionary). Default size is 32 MiB.
Optional 256-bit BLAKE2 file hash can replace default 32-bit CRC32 file checksum.
Optional encryption using AES (Advanced Encryption Standard) with a 256-bit key.
Optional data redundancy is provided in the form of Reed-Solomon recovery records and recovery volumes, allowing reconstruction of damaged archives (including reconstruction of entirely missed volumes).
Optional "Quick Open Record" to open RAR files faster.
Ability to create multi-volume (split) archives
Ability to create self-extracting files. The self-extractor can execute commands, such as running a specified program automatically after self-extraction.
Support for advanced NTFS file system options, such as NTFS hard and symbolic links.
Support for maximum path length up to 2048 characters (stored in the UTF-8 format).
Optional archive comment (stored in the UTF-8 format).
Optional file time stamp preservation: creation, last access, high precision modification times.
Optional files deduplication.
Packing (creation) of RAR or ZIP archives.
Unpacking of ACE, ARJ, BZIP2, CAB, EXE, GZ, ISO, JAR, LHA, RAR, TAR, UUE, XZ, Z, ZIP, ZIPX, 7z, 001 (split) archives.[8][9]
Checksum (integrity) verification for ACE, ARJ, BZIP2, CAB, GZ, BZIP2, RAR, XZ, ZIP and 7z archives.
Multithreaded CPU compression and decompression.
Support for maximum file size of 16 EiB (264 bytes) minus 1.
Compression dictionary from 1 MiB to 1 GiB (limited to 256 MiB on 32-bit Windows, however 32-bit Windows still can decompress archives with 1 GiB dictionary). Default size is 32 MiB.
Optional 256-bit BLAKE2 file hash can replace default 32-bit CRC32 file checksum.
Optional encryption using AES (Advanced Encryption Standard) with a 256-bit key.
Optional data redundancy is provided in the form of Reed-Solomon recovery records and recovery volumes, allowing reconstruction of damaged archives (including reconstruction of entirely missed volumes).
Optional "Quick Open Record" to open RAR files faster.
Ability to create multi-volume (split) archives
Ability to create self-extracting files. The self-extractor can execute commands, such as running a specified program automatically after self-extraction.
Support for advanced NTFS file system options, such as NTFS hard and symbolic links.
Support for maximum path length up to 2048 characters (stored in the UTF-8 format).
Optional archive comment (stored in the UTF-8 format).
Optional file time stamp preservation: creation, last access, high precision modification times.
Optional files deduplication.
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