Outlook users may not be able to send emails at the moment. The behavior is caused by a bug that affects classic Outlook. Specifically, you may see the issue after updating classic Outlook to ...
Outlook is not working since yesterday, I cannot send or recieve emails. People trying to send to me get this: 'STOREDRV.
We suggest the following fixes if you get This is not a valid file name error in Outlook when sending email: Remove invalid special characters from the file name ...