Yesterday Jim Rech answered a similar question:

<Seems to be a bug in Excel 2007. Thousands (it seems) have reported it.

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Kind regards,

Niek Otten
Microsoft MVP - Excel

"Dan Levin" wrote in message ...
| When i double-click an Excel file on my computer to open Excel, it opens
| Excel, but doesnt open the document. I need to have Excel open first in order
| for it to open the document when i double-click it. Any ideas?
|
| Also, when i double-click an Excel attachment from outlook, it just hangs /
| freezes. i need to escape out and save the attachment on my c-drive first and
| then open it that way...
|
| Win Server 2003 SP2 / Office 2007 SP1
|
| Help - This is Annoying!!