It’s been a while since the new version of Outlook overtook the old classic version, but users are still unhappy with it. The ...
Microsoft is working to resolve a known issue that prevents some users from opening Excel email attachments in the new Outlook client.
As spotted by Bleeping Computer, Microsoft has published a new service alert related to Outlook. Labelled as issue EX1189359 and titled "Users may be unable to open Excel files attached to email ...