I have attempted to use MS Query in the past with XL97, XL2000, and XL2002
only to run into Excel crashing on account that MS Query uses ADO, and
within Excel, there is a documented issue with memory leaks when using ADO.
I don't know if this issue has been fixed in XL2007 or not, but it is
documented for prior versions.
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Thanks,
Ronald R. Dodge, Jr.
Production Statistician
Master MOUS 2000