I got a VSTO addin which attaches to the Open event. I have installed the Office 2007 Compatibility Pack for office 2003, and then tried to open an xlsx file. In the open even handler, I am getting a workbook passed in but with unexpected parameters. The filename is of the form "CVT5CB.tmp" and the location is the Temp folder. I have also tried with a Shared Add-in and it has the same issue. So I dont know whether this is a problem with VSTO or the addin. Can anyone tell me whether this is a bug in Office Compatibility Pack? Please let me know how to solve this issue? Thanks.
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