Open archive file

Open CAB File

Learn what Microsoft Cabinet files are and how to handle them safely.

Before you open it

Archive files can hide many files inside one download. Some are simple document bundles; others are app packages or disk images. For private files, the safest first step is to identify the format and inspect it locally.

Why local processing matters

Uploading an archive can expose every file inside it. A browser-local workflow helps you avoid handing personal documents, backups, photos, contracts, or source code to an unknown server.

Common issues

  • The archive is incomplete.
  • The file is password protected.
  • The file is part of a split archive.
  • The browser tool does not support the compression method.