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CAB File

This page contains information on the CAB file extension (Cabinet File), a popular compressed file format

File extension.cab
CategoryCompressed File
DescriptionThe CAB file extension is a compression format developed by Microsoft. Originally used to minimise the number of floppy disks required to hold installation data, the file format is now used to minimise the size of files downloaded from the web. The CAB format offers effective compression because it compresses across multiple files ignoring the boundaries between the files. CAB files are often linked with self extracting files due to the ease with which they can be recognised as CAB files.
Actions Convert CAB file
View other compressed file formats
Technical DetailsThe CAB file permits three types of compression: Quantum, LZX and DEFLATE. Microsoft provide the ability to apply a digital signature to a CAB file. This allows a user to verify the authenticity of the file. CAB files are not constrained by a maximum file size that some compression files face. It is possible to spread a CAB file over multiple CAB files. A limitation of a CAB file is that it needs to be recreated every time it is changed, whereas other compressed formats allow for a file to be updated based on additions, removals or edits.
Associated programs MakeCab
Developed by Microsoft
MIME type  application/vnd.ms-cab-compressed
Useful links Microsoft Information on CAB Format
More Information on the CAB format
More Microsoft Documentation on the CAB Format
Convert CAB file

Convert CAB file

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

cab to 7z (7-Zip Compressed File)
cab to tar.bz2 (Bzip 2 UNIX Compressed File)
cab to lzh (Compressed Archive File)
cab to tar (Tape Archive File)
cab to tar.gz (Gzip Compressed Archive)
cab to yz1 (DeepFreezer Compressed Archive)
cab to zip (Compressed Archive File)

Convert CAB file