Error -3216: The File Name Is Already in Use / Quit and Re-open Outlook Express

  • Operating System(s): MacOS
  • Operating System Version(s): 8.1, 8.5, 8.6, 9.0, 9.1
  • Application: Microsoft Outlook Express
  • Application Version(s): 5.0

To solve this error close, and then re-open, Outlook Express.

Error Message

Error -3216: The file name is already in use.
Solution

Close, and then re-open, Outlook Express.