"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," they wrote

Microsoft says that its Outlook email service, the Teams teleconferencing app and the 365 subscription-based Office suite are all down. Downdetecor, a site that monitors online disruptions, shows that people began reporting the outages at around 11 a.

Outlook has been the go-to mail app on Windows for several years now. After first debuting in 1997 with Office 97, Outlook is now part of Microsoft 365, the company’s productivity suite. You can send and receive emails with multiple accounts,

Users just need to 'refresh/restart' their sessions Microsoft's Outlook app is crashing for European users due to memory problems, Redmond has warned, and evidence suggests the problems are spreading to the US.

Microsoft Outlook and Microsoft 365 are currently at the end of an outage that prevented some users from accessing their email.