
- Microsoft Outlook users experienced widespread login issues, error messages, and unexpected sign-outs on Monday morning.
- The problems primarily affected Microsoft 365 Business and Enterprise customers, with reports spiking around 5 a.m. ET.
- Microsoft confirmed a service interruption, acknowledging intermittent sign-in failures and 'too many requests' errors.
- The company directed users to its X (formerly Twitter) account for updates, but users criticised the lack of clear information.
- This outage follows a similar incident that affected Microsoft Outlook in January.

