At last there’s a fix. Millions of Outlook users been plagued with failed restarts and missing emails since Microsoft released its mandatory January security updates. Now the company has confirmed a new emergency update to put things right.

Microsoft issued another out-of-band update to fix a bug that caused Outlook to crash for Windows 11 users. This second emergency patch addresses issues seen with Outlook and files stored in the cloud following Microsoft's January 2026 Windows security update.

Microsoft confirmed today that Outlook mobile may crash or freeze when launched on iPad devices due to a coding error.