Could you please share us what are formats of Excel workbooks opened as blank? Such as .xlsx files or other formats.
From Office perspective, I would provide following suggestions to have a check.
- Go to Excel > File > Options > Advanced > Scroll down to General section, check whether "Ignore other applications that use Dynamic Data Exchange (DDE)" is ticked.
- Go to Registry Edirtor, locate to
HKEY_CLASSES_ROOT\Excel.Sheet.12\shell\Open\command
, I would suggest you backup the entry "command" first. (Serious problems might occur if you modify the registry incorrectly. Before you modify it, back up the registry for restoration in case problems occur.)
Then please try to add "%1" in "(Default)" data value to check this issue, such as"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "%1"
- If the steps above do not work, please perform Repair for Office 2016 from Control Panel.
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