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SamAbboushi-1164 asked emilyhua-msft edited

Difference between Excel ApplicationClass Class and GlobalClass Class re: COM

I see there are two Excel COM classes named "Microsoft Excel Application" CLSID={00020812-0000-0000-C000-000000000046}; [Class] = Microsoft.Office.lnterop.Excel.GlobalClass CLSID={00024500-0000-0000-C000-000000000046}; [Class] = Microsoft.Office.lnterop.Excel.ApplicationClass Why is there a GlobalClass and when would one choose one of these classes over another? Thanks and With Regards- Sam

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As tag “office-excel-itpro” focus on general issues of Excel clients, but your issue seems to be more related to to Excel Add-ins. I would modify the tag to be "office-addins-dev".
Thanks for your understanding.

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