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

How to open .MDI files on iOS

To open .MDI files on iOS, open the .mdi file from files and tap share..

Step-by-step instructions

  1. Open the .MDI file from Files and tap Share.
  2. Send it to a compatible iOS app if Quick Look cannot preview it.

Recommended software

  • Photos
  • Files Quick Look
  • Lightroom

Alternative methods

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

Common issues

.MDI file does not open

This usually means the required app is missing or the .MDI 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 .MDI files from trusted senders.

Back to .MDI extension page