CAB Converter

Convert CAB (Microsoft Cabinet archive) files online, for free, with nothing to install.

CAB (Cabinet) is the archive format Microsoft uses for Windows installers, updates and drivers. CAB files can be saved as ZIP, 7Z, TAR, TAR.GZ, TAR.BZ2, TAR.XZ, RAR, and most of these conversions run right in your browser, so your files stay on your device.

What is a CAB file?

CAB – Microsoft Cabinet archive. CAB (Cabinet) is the archive format Microsoft uses for Windows installers, updates and drivers.

How to convert a CAB file

  1. Click Select File, or drop your .cab files anywhere on this page.
  2. Pick the format you want next to each file, for example ZIP.
  3. Click Convert, then Download when it's done.

CAB at a glance

CAB
TypeArchive
HoldsMany files and folders
CompressionMSZIP, LZX or Quantum
EncryptionNone
Created byMicrosoft, 1990s
Best forWindows installers and drivers

Frequently asked questions

What is a CAB file?

CAB (Cabinet) is the archive format Microsoft uses for Windows installers, updates and drivers.

How do I open a CAB file?

Archive programs such as 7-Zip open many formats. Without one, open it on our Extract CAB Files page to see what's inside and save the files you need, or convert it to ZIP here: Windows, macOS and Linux all open ZIP files by themselves.

Is converting CAB files free?

Yes. Everyone gets 25 free credits a day, with no account needed. Conversions on our server use one credit per started minute of work, so most cost a single credit. Credits reset at midnight UTC.

Are my CAB files uploaded anywhere?

Files up to 200 MB never leave your device: ConvertKitty runs 7-Zip inside your browser. Only larger files, or formats your browser cannot handle, are sent to our server, over an encrypted connection, and deleted 72 hours after the conversion. The button says "Upload and convert" whenever that happens.

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