Microsoft 365 massive downtime, more than 15000 users cannot use Outlook mailbox

CTOnews.com, June 5 (Xinhua)-- according to Downdetector.com, a service outage tracking site, Microsoft Microsoft 365has suddenly experienced massive outages in its product suites, including Word and Excel, and at least 15000 users are unable to use email.

In response, Microsoft said on Twitter: "We are investigating the problem of accessing Outlook on the Internet." According to CTOnews.com, Microsoft's service has faced at least three outages since the beginning of the year.

It's not clear how the problem came about, but sources say it was caused by a DDoS attack by Anonymous Sudan, which shut down Microsoft's e-mail service Outlook.

According to the actual measurement of CTOnews.com, some Outlook and Microsoft 365 web pages reported errors, and some pages were stuck on the startup page all the time.