Thread: Compatibility
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Old March 12th, 2010, 02:40 PM posted to microsoft.public.excel.links
Robert
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Default Compatibility

Thank you Bill, this confirms my assumptions. I think that also the add-ins
need to be recompiled in 64 bit Visual Studio as well.
--
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"Bill Manville" wrote:

Robert wrote:
Will it be possible to open files created in Excel 2010 64 bit with Excel
2007 ?


As far as I know the main compatibility issues relate to non-Office OCX
controls and API calls. If you use either of these features in a 32-bit
version then you might have problems running those workbooks in 64-bit.

As far as I know, if a workbook works in 64-bit it should also work in
32-bit but I don't have a 64-bit machine myself so I am not speaking from
experience.

Bill Manville
MVP - Microsoft Excel, Oxford, England
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