Free CAB software: convert, open, extract CAB files (original) (raw)
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Work with CAB files
PeaZip offers read-only support (open and extract cab files) for Microsoft Cabinet file format, providing a free alternative utility to open (list content) and extract .cab packages, or disassemble single files from the container, under Windows and Linux operating systems. The software can also be used to convert CAB files to any other write-supported format (i.e. re-pack existing Cabinet file into zip, 7z, etc).
| Create / update CAB files PeaZip support for CAB files is read-only (limited to work as cab viewer / reader and extractor), the application cannot write to .cab format to create a new package or to edit an existing one. How to convert CAB files To convert CAB files into another archive format, Convert button extracts and then re-pack the output into any write-supported format (7z, arc, pea, tar, zip...) 
Open CAB files To open cab files in PeaZip, and view, browse, and search content inside the archive: open cab file with double click on the archive, if file extension is associated with the PeaZip (default) if cab file type is not associated with PeaZip, right-click on the archive and use system context menu "Open as archive" entry, that will attempt to read any user provided file type regardless file associations. Once opened, cab container's content can be "unzipped", or inspected to verify / select desired content to be extracted | | Extract CAB files Extract CAB file from the system Select one or more MS CABINET files and use context menu entry "Extract..." to display extraction screen, to set output path and other cab extraction options Select one or more archives and use context menu entry Extract here or Extract here (to new folder) for quick cab extraction with no further confirmation To extract CAB files within PeaZip free archiver Extract button shows archive extraction screen providing access to all options and can send to extraction selected items only Extract all to... button activate a simplified dialog asking for 'unzip' output path only As simpler alternative, drag & drop to decompress desired objects from the application to the system 
Previw files inside CAD containersDoubleclick on an archived file to open it in preview mode, i.e. to inspect its content before considering the need for real extractionRead more about how to extract archive files and how to extract selected content from archive.Work with codesigned CAB filesPeaZip can manage codesigned CAB files as usual (browse and extract); when working on such containers Test function will inform user there is data (the codesigning data) after the end of the archive area. |
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What are CAB files, Microsoft Cabinet archive format
CAB file extension
CAB extension designates Microsoft Cabinet format, a compressed archive / package standard developed by Microsoft, employing various compression algorithms standards including public domain Phil Katz's Deflate (default compressor algorithm for .zip format and GZ files), to create various types of compressed packages used for multiple purposes, such as distribution of software components and updates.
| | .CAB extension is associated to PeaZip by default, from read-supported formats group in File associations screen of Windows installers. This option can be selected/deselected running custom installation or from application's main menu Options > System integration | | -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
CAB packages role featured for Microsoft Windows world is similar to some extent to TAR format in Unix/Linux world, or to functions later performed by Microsoft's WIM Windows Imaging Format (supported by PeaZip for extraction and archiving) for Vista and more recent systems - still, CAB format works with more recent Microsoft ssystems.
Maximum size limit specs for CAB files
CAB format is limited to a max size of 2 GB, 2^31 bytes in size (signed 32 bit integer for filesize), theoretically a spanned CAB set of files allows up to 2^16 parts of 2 GB maximum size each. To overcome limitations of CAB package format specifications, Microsoft designed the more modern WIM Windows Imaging format.
Read more on .cab extension: Microsoft Cabinet format
page on MSDN, CAB Wikipedia page, and WIM format specifications on Microsoft Technet.
PeaZip features read-only support for CAB files, allowing opening for browsing/inspection, selective content extraction from CABINET file container, and to convert cab files to other archive formats (ZIP, 7Z, etc) more handy to work with in a non-Windows or mixed Operating Systems environment.
Synopsis: How to use PeaZip as free CAB opener, extractor software for Windows and Linux. Free utility to work with CAB format extraction (read only support). How to convert, open, extract (unzip) CAB files. What is Microsoft CAB package files extension, specs and features.
Topics: open cab files, extract content from cab packages, Microsoft Cabinet format specs
PeaZip > FAQ > Free CAB software: convert, open, extract CAB files
WORK WITH SUPPORTED FILE TYPES
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