If you open MS Outlook and see an error message, Outlook is using an old copy of your Outlook data file (.ost), then use ...
Some users have reported that when they attempt to open a Word document, it fails to open. Instead, they see a Word cannot open the existing file (Normal.dotm) error ...
Several Outlook users, on different forums, have reported encountering the error “OST file cannot be opened,” when trying to open the application or sending ...
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