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Why is Crystal Reports 2011 saying that Excel 97-2003 files are bad format?

JUST this week, the file format error started . This keeps the reports from being refreshed, since I can't make a connection to the excel files.

Is it a Microsoft patch that has fouled up the use of Excel 97-2003 files?

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2 Answers

  • Best Answer
    Nov 08, 2017 at 04:29 PM

    Yes it is, search for DAO updates and you'll find the KBA to uninstall

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  • Nov 09, 2017 at 04:07 PM

    Found it & uninstalled it.

    CR works just fine now!

    Thank you, again!

    Bill Ault

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