Microsoft 365 services including Outlook, Microsoft Defender and Microsoft Purview were impacted on Thursday, with the company issuing an update on the matter.

What is Microsoft 365 451 4.3.2 Temporary Server Error and how to fix it? Microsoft 365 faced outages affecting Outlook, Teams, Defender, and Purview. Users reported over 11,000 issues. The error indicates server-side problems.

Are you experiencing error code 0x800CCC0D in Outlook on your Windows computer? Several Outlook users have reported being unable to send or receive email messages due ...

If your Outlook Classic freezes or hangs when you use POP accounts or deal with PST files, you'll need to remove Windows 11 KB5074109.

Microsoft has released a second emergency Windows 11 update, KB5078127, to fix Outlook crashes, cloud file errors, and other Patch Tuesday issues.

The first big Windows update of 2026 has bugs: Outlook freezes, app errors, and how to fix them

This post helps to fix the 0x8000fff error in Outlook when adding data files. Some users have reported that when they attempt to create or open an Outlook Data File ...

Microsoft shares workarounds for a Windows 11 KB5074109 bug that breaks Outlook for POP email accounts and PST files.

Microsoft confirmed a coding error causes Outlook mobile to crash or freeze when launched on iPad devices. The company released a fix, though it may take

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