Skip to main content

Build / Extract CAB from Media Table

This feature lets you create or extract cabinet (.cab) files from the Media table in an MSI. Use it when you need to inspect, update, or rebuild packaged file content.

Available actions​

  • Build CAB ? Generate a new cabinet file from the files defined in the MSI.
  • Extract CAB ? Unpack a cabinet file referenced in the Media table.

Common use cases​

  • Add new files to the package.
  • Replace existing files.
  • Update file versions.
  • Inspect or recover files for troubleshooting or reuse.

How to extract a CAB​

  1. Open your MSI or MST file in Master Packager.
  2. Go to the Media table.
  3. Locate the CAB entry.
  4. Right-click the entry and select Extract CAB.

Master Packager - Build / Extract CAB from Media Table

tip

After changing file contents in your MSI, rebuild the CAB and update the Media table so installation behavior stays correct.