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+1  Q: 

Creating app for Excel 2003 with Excel 2007

Hi, everyone!

I'm writing .Net desktop application to create reports in Excel 2003, but I have only Excel 2007, and have no license of Excel 2003. This is my problem, because when I launch this app on client’s computer (Excel 2003), I have error (SystemNullReferenceException).

I know reasons of this exception (different versions of Excel), but I don't know any solution.

best regards, Anatoly

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