India, Jan. 23 -- Microsoft 365 was down for numerous users on Thursday. At the time of writing, over 8,000 users faced issues with Outlook, as per Downdetector. The site that aggregates reports on outages also showed that there were problems with Microsoft Store and Defender. At the time of writing over 900 people faced problems with Microsoft Store while over 300 appeared to face troubles with Defender.

In case of Outlook, a majority of complaints were centered around not receiving messages, as per Downdetector. People complained in the comment section of the page, as troubles continued.

One person wrote "cannot logo in to email." Another said they were facing the following problem.

"451+4.3.2+Temporary+server+error.+Please+try+again...