When I open (in Excel 2007 under 64bit Win7) certain excel files , then change a text string in one single cell and save immediately afterwards the whole excel document then oftentimes a warning popup appears:
"foobar.ods may contain features that are not compatible with this format. Do you want to continue to save this format?"
If I click YES nothing errorneous happens.
So how can I permanently suppress for all future this annoying popup?
Peter
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