LETU IT KnowledgeBase

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  • The File is Not an Outlook Data File
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This error pops up sometimes when new faculty/staff attempt to open outlook for the first time on school computers.


Step-by-step guide to fix:

  1. Open Control Panel
  2. Open Mail (Microsoft Outlook)
  3. Click Show Profiles
  4. Remove the faculty/staff member's profile
  5. Re-add the profile with the same name
  6. Apply and open outlook