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

A compressed version of files, popularly known as zipped files are convenient but also prone to errors. So, when you attempt to open such files using freeware ...

You may get an error prompt displaying the error message Microsoft Office cannot open this file because some parts are missing or invalid when you try to open a Word ...