Microsoft has fixed a known issue that will cause the classic Outlook email client to crash when opening emails or starting a new message.

Microsoft has reportedly fixed the bug that causes classic Outlook to crash when you open emails or write messages.

Microsoft has fixed a bug that caused Outlook (classic) to crash when opening emails or starting a new message. The solution to the problem is available ...

Updated on June 26, 2025: Per BleepingComputer, Microsoft has apparently fixed the bug mentioned below that causes the classic Outlook app to crash when opening emails or writing new messages. You ...

Get the latest info on new features, bug fixes, and security updates for Microsoft 365/Office 365 for Windows as they roll out from Microsoft. Now updated for Version 2506 (Build 18925.20158 ...

The problem appears to be widespread but isolated to Microsoft Outlook and Hotmail, with other Microsoft services such as Teams, Skype, and Microsoft 365 reportedly functioning normally.

Microsoft has shared a workaround for a known issue that causes the classic Outlook email client to crash when opening or starting a new message.

Well, fret no more because a fix is afoot. On Tuesday, Microsoft confirmed that it has squashed the bug with the latest builds of Outlook for versions 2021, 2024, and several enterprise editions.

Outlook has over 400 million active users around the world. This issue seems to be affecting both personal and work Outlook accounts, as well as Hotmail accounts. Hotmail is also owned by Microsoft.

Microsoft Outlook is back up after a major outage affected users around the world. Outage reports began to spike for the widely-used email provider, with Microsoft confirming an issue not long after.