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Mar 27, 2009 at 05:04 AM

Excel cannot open the file

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I am trying to build a dashboard in 4.5 Professional. When I open the Xcelsius file I get the following message "Excel cannot open the file 'im5.xlsx' because the file format or file extention is not valid. Verify that the file has not been corrupted and that the file extention matches the format of the file"

I went to Task Master killed Excel and then got a new message "the document 'im5.xlsx' caused a serious error the last time it was open. Would you like to continue opening it?" If I say "Yes" the message in the first paragraph re-appears. However, I then cannot find Excel in Task Manager again. I therefore assume Excel is not running but the problem persist, I cannot openthe Dashboard. Any ideas how to solve this problem?

I run XP and Office 2007. I have build many Dashboards on 4.5 and also run Engage 2008.

Niel