Cabinet, abbreviated as cab, is a compressed file archive format used in Microsoft Windows. A single cabinet file, or cab file, may contain multiple files within a relative directory hierarchy.
The default file extension of a cabinet file is .cab.
Extracting files from a cabinet archive
Any or all of the files may be extracted from the cabinet archive, using any of the following methods.
- In File Explorer, highlight the .cab file by clicking it once. The header Compressed folder tools appears in the title bar. Beneath this, click Extract to show extraction options.
- In File Explorer, double-click a .cab file to navigate the files and directories contained in the archive. The Compressed folder tools header and Extract option appear, and may be used as in the previous method.
- At the Command Prompt, use the extrac32 command to extract the contents of a cabinet file. For example:
- You may also use a third-party compression utility, such as 7-Zip, to open a cabinet file and extract its contents.
Creating a cabinet archive
To create a cabinet file, you can use the makecab command at the Command Prompt. For example, to create a cabinet, file.cab, containing one file, file.txt, you may use the command:
makecab file.txt file.cab