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the only way to prevent Excel from converting date-like number values into 'real dates' is to format the number values as text. or escape each and every number value so this doesn't occur.

this is not just a workaround - it's recommended by Microsoft. because you literally cannot turn this functionality off.

how is that not an "Excel issue"?

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That is how spreadsheets work. Try Libreoffice or Google Sheets. You will find they operate the same. Spreadsheets format all cells as a generic type where the value entered to it is gets assigned a more specific type by the spreadsheet application. If you want to insure that the value you entered is interpreted as a specific type you need to identify that to the spreadsheet application prior to entering the value.

I was responding to the claim that Excel "doesn't alter data without being asked either." I guess it does, and it should?

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