bleepingcomputer[.]com/news/microsoft/microsoft-outlook-bug-blocks-email-logins-causes-app-crashes/
Microsoft is investigating an Outlook bug causing desktop app crashes, high system resource usage, and preventing users from logging into their accounts.While the company said these ongoing issues only affect European customers, users worldwide have since reported experiencing the same sign-in and app instability problems.
"We're investigating an issue in which users in Europe may be experiencing crashing, not receiving emails or observing high memory usage when using the Outlook client," the company said.