How do I open a .CAB file on Windows or Mac?

You can open .CAB files using 7-Zip, WinRAR, Expand.exe (Windows CLI), PeaZip. If you do not have native software installed, you can use OpenAnyFile's free File Identifier or convert .CAB to a standard format in your browser.

Is a .CAB file safe to open?

This format carries a safety rating of Medium Risk. System update files use .CAB; verify Microsoft digital signatures

Can I convert a .CAB file to other formats?

Yes! .CAB can be converted to formats such as .ZIP directly in your web browser.

What should I do if a .CAB file is corrupted or won't open?

If your .CAB file displays an invalid header or signature error, check its magic bytes hex header (Varies) using OpenAnyFile's Magic Byte Detector or follow our step-by-step file repair guide.

How do I open .CAB files?

You can open .CAB files using 7-Zip, WinRAR, Expand.exe (Windows CLI), PeaZip.

Archives • MIME: application/vnd.ms-cab-compressed

.CAB – CAB File Format

Q: What is a .CAB file?

A .CAB file is a CAB File Format associated with Archives. CAB (Cabinet) is an archiving and compression file format developed by Microsoft for packaging system setup files, device drivers, and Windows updates.

CAB (Cabinet) is an archiving and compression file format developed by Microsoft for packaging system setup files, device drivers, and Windows updates.

Primary Category Archives

MIME Type application/vnd.ms-cab-compressed

Magic Bytes Signature Varies

Security Risk Rating Medium Risk

Recommended Software to Open .CAB

7-Zip

windows, mac, linux • Free

WinRAR

windows, mac, linux • Free

Expand.exe (Windows CLI)

windows, mac, linux • Free

PeaZip

windows, mac, linux • Free