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

If you cannot open the Excel file from its location, simply open any Excel file and click the File tab. Then, go to Open > Browse and select the file giving error ...

If you are seeing “Microsoft Office cannot open this file because the .zip archive file is an unsupported version”, then check the following solutions to resolve the issue. Update Office Change the ...