Excel 2007 attachments don't display data.

[Mayimbe]

I migrated from Office 2003 to Office 2007 last week. Since the migration
every time I open a Excel attachment from Outlook, Excel will open, but it
will not display the data. If I click open and then cancel the window the
data appears.

 

[Rob]

I have a similiar problem in that some of my files will open and some files
do not open. I also migrated from Office 2003 to Office 2007. I can copy
the file to a floppy from the old computer and open in Excel 2007 and it will
open. (In compatibility mode).
What am I doing wrong?