Can't open .xlsx files by double clicking using Excel 2010. I can open the files by going to File/Open. I've tried changing the file association, uninstalling and re-installing Office and also unchecked the "Ignore other applications that use DDE" in Options within Excel. No resolution as of yet.
I logged in under a local account and did notice something. If I made an Excel file and saved it, it saved as an Excel Worksheet. I was able to double click and open. But under my network account when I save an Excel document it saves as .xlsx which I cannot double click and open.
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