The Microsoft 365 help staff should have had a busy time this final week, as the corporate has been confronted with a number of outages, with the newest one being Groups failing to share recordsdata.

In the meantime, the Traditional Outlook app can be affected by buggy updates as Microsoft just lately broke downloads. One other bug has hit the Traditional Outlook app now, and this one is inflicting excessive CPU utilization typically as excessive as “30 to 50%,” resulting in system hogging and efficiency points.

That is occurring when typing, indicating that it’s most definitely a bug, as one thing like typing ought to by no means be that intense except you’re nonetheless operating a Pentium 4 or an authentic Athlon or one thing like that.

Microsoft has defined the difficulty beneath:

ISSUE

Whenever you write an electronic mail in traditional Outlook for Home windows, you could discover the CPU spikes as much as 30 to 50% at some occasions and will increase the ability consumption. You may observe this if Activity Supervisor is open when you kind.

This challenge can happen after updating to Model 2406 Construct 17726.20126+ on Present Channel, Month-to-month Enterprise Channel, or the Insider channels.

Microsoft has additionally supplied a workaround for the bug, and it includes switching to the semi-annual channel, which doesn’t seem to have this challenge, though there could also be different minor ones. The corporate has defined how to take action utilizing both the Workplace Deployment Software or by Registry edits.

It writes:

STATUS: WORKAROUND

The Outlook Workforce is investigating this challenge. We are going to replace this subject when there are any standing updates.

To work across the challenge, you possibly can swap to Semi Annual Channel the place the difficulty has not been noticed. You may swap to Semi Annual Channel utilizing one in all these strategies:

Workplace Deployment Software

Comply with the steps within the Change the Microsoft 365 Apps replace channel for units in your group article to change to Semi Annual Channel.

Use a registry command

Use a registry key to change to Semi Annual Channel:

1. Open a Command immediate window (guarantee Run as administrator was chosen).

2. Paste the command beneath and press Enter:
   reg add HKLMSoftwarePoliciesMicrosoftoffice16.0commonofficeupdate /v updatebranch /t REG_SZ /d SemiAnnual

3. After you add the registry key, choose File > Workplace Account > Replace Choices > Replace Now to provoke the swap to Semi Annual Channel.

For extra insights, go to this discussion board thread: Excessive CPU utilization when typing a message in Outlook.

You will discover the help article right here on Microsoft’s official web site.