Hi i am Ahmad Shakeel . Winrar is software which can compressed and extract a file . this is free software and it is available in 32 bit and 64 .
Apart from the standard features, WinRAR provides some additional options. It allows each document be secured by a password without which the document cannot be opened.
If the user set a properly complex password, the application will secure the file with the use of AES (Advanced Encryption Standard), which promises that the password cannot be cracked by most of decrypting applications.
Although in the process of compression WinRAR draws on considerable amounts of the system resources, its flexibility is able to adjust itself to individual’s computer capabilities and environment so as to make it smoothly run on some less advanced computers
.I have been a user of WinRAR for as long as MajorGeeks has been around and then some. There are some decent competitors, especially in the freeware market, but I have yet to find one that can do all WinRAR does and as smoothly. Windows built-in extractor is slow, limited and awkward so anyone who has to frequently open ZIP and RAR files will find themselves looking for a better alternative. If you’re one of those people and are willing to support shareware, then this is an excellent solution.
WinRAR is a trialware file archiver utility for Windows. It can create and view archives in RAR or ZIP file formats 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.
Apart from the standard features, WinRAR provides some additional options. It allows each document be secured by a password without which the document cannot be opened.
If the user set a properly complex password, the application will secure the file with the use of AES (Advanced Encryption Standard), which promises that the password cannot be cracked by most of decrypting applications.
Although in the process of compression WinRAR draws on considerable amounts of the system resources, its flexibility is able to adjust itself to individual’s computer capabilities and environment so as to make it smoothly run on some less advanced computers
.I have been a user of WinRAR for as long as MajorGeeks has been around and then some. There are some decent competitors, especially in the freeware market, but I have yet to find one that can do all WinRAR does and as smoothly. Windows built-in extractor is slow, limited and awkward so anyone who has to frequently open ZIP and RAR files will find themselves looking for a better alternative. If you’re one of those people and are willing to support shareware, then this is an excellent solution.
Features:
- Creation of packed RAR or ZIP archives.
- Unpacking of ACE, ARJ, BZIP2, CAB, GZ, ISO, JAR, , UUE, XZ, Z, ZIP, ZIPX, 7z, 001 (split) archives, as well as EXE files containing these archive formats
- Checksum (integrity) verification for ACE, ARJ, BZIP2, CAB, GZ, BZIP2, RAR, XZ, ZIP and 7z archives
- Multithreaded CPU compression and decompression
When creating RAR archives:
- Support for maximum file size of 16 EiB, about 1.8 × 1019 bytes or 18 million TB
- Compression dictionary from 1 MiB to 1 GiB (It is limited to 256 MiB on 32-bit editions of Windows, although 32-bit Windows still can decompress archives with 1 GiB dictionary. Default size is 32 MiB.)
- Options, enabled by default, to optimise compression for executables for x86 processors and the obsolete 64-bit Itanium, and delta compression.
- Optional 256-bit BLAKE2 file hash can replace default 32-bit CRC32 file checksum
- Optional encryption using AES 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 (Multi-volume self-extracting archives are supported. The self-extractor can execute commands, such as running a specified program before or 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 file deduplication
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