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Trusted file extension guides and opening help from the original project since 2008.

How to open .DMS files on Windows

To open .DMS files on Windows, right-click the .dms file and choose open with..

Step-by-step instructions

  1. Right-click the .DMS file and choose Open with.
  2. Select a trusted Windows app that supports .DMS files.

Recommended software

  • Microsoft 365
  • LibreOffice
  • Google Docs (web)

Alternative methods

  • Open .DMS in a browser-based viewer if desktop apps fail.
  • Try opening .DMS on Windows with a secondary app to rule out app-specific issues.
  • Convert .DMS only with trusted tools when direct opening is not possible.

Common issues

.DMS file does not open

This usually means the required app is missing or the .DMS file is incomplete.

  1. Install or update a compatible application.
  2. Verify the file came from a trusted source and was fully downloaded.
  3. Try opening the file in an alternative app on another platform.

Security note

Only open .DMS files from trusted senders.

Back to .DMS extension page