It’s been a while since the new version of Outlook overtook the old classic version, but users are still unhappy with it. The ...
XDA Developers on MSN
Sorry, the new Outlook app can't open some Excel attachments, says Microsoft
There is a workaround, though.
Microsoft is working to resolve a known issue that prevents some users from opening Excel email attachments in the new Outlook client.
Some results have been hidden because they may be inaccessible to you
Show inaccessible results
Feedback