Many people are reporting this and I have the problem too. I've found that
if I do not have a workbook opening automatically with Excel 2007
(Personal.xls in my case), I do not have the problem (fwiw). I haven't seen
a solution yet.

--
Jim
"JeffreyBee" wrote in message
...
|I am using Excel 2007.
|
| When I double-click on a file (regardless of whether it is a .xls or
..xlsx)
| the application starts but the file does not open. I can only open the
file
| when I select the Office button, choose OPEN and select the file I want to
| open.
|
| This is incredibly annoying and something I never encountered before in
| previous versions of Excel (just upgraded from 2003).
|
| Any thoughts?
|
| Thanks.