Several Outlook users, on different forums, have reported encountering the error “OST file cannot be opened,” when trying to open the application or sending ...

This post helps to fix the 0x8000fff error in Outlook when adding data files. Some users have reported that when they attempt to create or open an Outlook Data File ...

If you open MS Outlook and see an error message, Outlook is using an old copy of your Outlook data file (.ost), then use ...