Sometimes, problems in Office applications occur due to some problematic add-ins. This can be the case with you. To check this, disable all add-ins in Excel and then save the file. If this works, you ...
XDA Developers on MSN
Sorry, the new Outlook app can't open some Excel attachments, says Microsoft
There is a workaround, though.
Some results have been hidden because they may be inaccessible to you
Show inaccessible results
Feedback