MSG files store individual Outlook emails, but many users face issues opening them.
This usually happens due to compatibility errors, corruption, or incorrect settings.
Common Reasons You Can’t Open MSG Files:
- Outlook not set as default
- Corrupted or oversized MSG file
- Wrong Outlook version/profile
- File format incompatibility
Method 1: Check Default App
Right-click the MSG file → Open with → Select Outlook.
Works if another app is blocking the file.
Method 2: Repair or Recreate File
If the MSG file is damaged, try repairing your Outlook data file or recreate the MSG.
Method 3: Convert MSG Files (Recommended)
The easiest solution is to convert MSG into a format Outlook universally supports—like PST.
Best Tool for Conversion
- Try Migrate Cloud Data MSG Converter
- Convert MSG to PST, EML, MBOX, PDF & more
- Preserve attachments & formatting
- Bulk conversion supported
Wrap-Up
For minor issues, quick fixes work.
But for bulk or stubborn MSG files, a professional tool ensures accuracy & saves time.
Full guide here: Cannot Open MSG Files in Outlook
