Several Outlook users, on different forums, have reported encountering the error “OST file cannot be opened,” when trying to open the application or sending ...
Ran into a strange problem this morning, and I'm hoping someone here can help. I tried to attach a file to an outgoing email in Thunderbird, and upon clicking the attach button, TB locked up. Tried ...
If your Outlook shows the “Error 0x80070021, Another process has locked a portion of the file“, use these fixes to resolve this error message: Check if Outlook ...
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