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Asked: 2026-05-11T15:16:29+00:00

Assume all traces of Office 2003 will be removed from the computer. UPDATE: I

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Assume all traces of Office 2003 will be removed from the computer.

UPDATE:

I understand that I will still be able to use .xls files. I’m asking about automating Excel through the COM interop from outside Excel. When I add a reference to Excel to a VB project, it gives me a different version of the dll for different versions of Excel. If a program was compiled with a reference to Office 2003’s dll, will it need to be recompiled for Office 2007? Will the code need to be updated to use the new dll?

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  1. You should have no problem with your code breaking. In my past experiences, even though I referenced old versions of the Interop Assemblies, the newer version of Excel has been able to handle the calls.

    Now the same can’t be said for trying to use a newer version of the Interop Assemblies with an older version of Excel…

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