Autocomplete resets periodically.

OS: Microsoft Windows 10 Pro

Microsoft Office Professional 2016 - en-us

I have a dell Laptop that is less than a year old. Every couple of weeks, the user reports that his auto-complete addresses for outlook has been reset and he loses them all. I have uninstalled and reinstalled Office and manually reset the autocomplete through outlook. I have done all of the follow as found in a post i found online.

  • Empty Auto-Complete List
  • ScanPST
  • Deleting Outlook mail profile & recreating it (so also recreating all email accounts attached to it, and not reusing any old PST file)
  • Outlook /ImportNK2
  • NK2edit (works for creating NK2 files, but interacting with Outlook 2010 fails, because it's not the 'Default Mail' app, while it is)
  • Deleted Stream_Autocomplete_XXX.dat
  • Replaced Stream_Autocomplete_XXX.dat with an old working version

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