Hi. I have found myself in need of editing an excel spreadsheet for the first time, and I cannot open the template I've been sent in anything besides a "read only" document. I need to be able to edit the spreadsheet.
It occurs to me that I need to enter my product key in order to do so, but I have entered my product key a hundred times and I contine to get an error message that it is not the correct product key. I have no idea what to do....
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