Microsoft has released emergency, out-of-band updates on Saturday for Windows 10, Windows 11, and Windows Server to fix an issue that prevented Microsoft Outlook from opening when using PSTs stored in cloud storage.

Add Yahoo as a preferred source to see more of our stories on Google. Microsoft Outlook users were thrown for a loop as the email service experienced an outage. According to Forbes, users have reported several issues, including Microsoft Outlook not ...

Update, July 10, 2025: This story has now been updated with further information regarding the Microsoft Outlook email outage, including a statement from Microsoft. Microsoft Outlook is currently down due to an unknown outage affecting millions of users ...

Microsoft shared a temporary workaround for customers experiencing Outlook freezes after installing this month's Windows security updates.