Like the new Outlook, the Classic Outlook is also affected by a strange bug, but there is a workaround

Dozens of Microsoft 365 apps have been hit by issues for the past week.

2 min. read

Published onAugust 19, 2024

published onAugust 19, 2024

Share this article

Read our disclosure page to find out how can you help Windows Report sustain the editorial teamRead more

After a bug affectedOutlook, Word, and OneNote, Microsoft revealed that the issue also impacted Classic Outlook.CertainOffice apps, including OneNote, Word, and Outlook, crashed last week due to a bug in Office version 2407. However, the bug caused more damage to Classic Outlook, which has been reported to crash upon launch or even when trying to start it in Safe mode.

If you’re tech-savvy, you might head straight to the Windows Event Viewer to investigate the crash logs. You’d be looking for Event 1000 or Event 1001, with a keen eye on details like the faulting application name (OUTLOOK.EXE) and the faulting module name (ucrtbase.dll).

Microsoftsays corrupted server-based rulesfor Microsoft 365 mail accounts, which Outlook can’t seem to process correctly, might cause the issue.

However, the Redmond-based tech giant has offered a workaround that might save your day. The first step is to run the Clean rules command line to clean the client and server rules slate.

If that doesn’t work, you can create a new Outlook Profile. If you’re still stuck, you can visit Outlook Web Access to manually remove any pesky rules.

To work around the issue, do the following:

You can also seethe original forumpost leading to the issue with Classic Outlook.

With KB5043178 to Release Preview Channel, Microsoft advises Windows 11 users to plug in when the battery is low#

Copilot in Outlook will generate personalized themes for you to customize the app#

Microsoft will raise the price of its 365 Suite to include AI capabilities#

Death Stranding Director’s Cut is now Xbox X|S at a huge discount#

Outlook will let users create custom account icons so they can tell their accounts apart easier#

Like the new Outlook, the Classic Outlook is also affected by a strange bug, but there is a workaround#

With KB5043178 to Release Preview Channel, Microsoft advises Windows 11 users to plug in when the battery is low

Copilot in Outlook will generate personalized themes for you to customize the app

Microsoft will raise the price of its 365 Suite to include AI capabilities

Death Stranding Director’s Cut is now Xbox X|S at a huge discount

Outlook will let users create custom account icons so they can tell their accounts apart easier

Like the new Outlook, the Classic Outlook is also affected by a strange bug, but there is a workaround