0x80040600 - Unknown Error

Cause:

  •  Corrupt PST file.

    Fix:

  • Close Outlook
  • Click Start
  • Click Control Panel
  • Double-click the Mail icon
  • Click the Data Files button
  • Double-click on the PST file which is currently being used
  • Copy the text in the filename field.
  • Click Start
  • Click Search
  • Click All Files and Folders
  • Type scanpst.exe and click the Search button
  • Double-click the scanpst.exe icon (icon appears as a ripped envelope)
  • Paste the .pst filename into the text field
  • Click Start
  • Click the repair button to repair any damaged files
  • Open Outlook and verify it is working correctly

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