Microsoft says it will soon fix a known issue, making CPU spikes type messages in recent versions of its classic outlook email client.
Redmund confirmed the bug last week, including a wave of user reports on various online platforms from the beginning of November. Microsoft Community WebsiteWith those saying that all spell-check options disabled and ad-in did not solve CPU use issues.
As the company says in an update of the original support document, the problem now affects users in the semi-annual channel, who updated the Outlook version 2406 Build 17726.20126 and later.
“When you write an email in the classic outlook for Windows, you can see the CPU spikes from 30 to 50% in some time and increase the power consumption. If you are open while typing the task manager is open, you can see it,” The company said,
“We found that the issue now takes place in the half annual channel. If you need to work around the issue immediately, the only option version will be returned to 2405. It is not recommended as the safety has been updated since that version.”
Microsoft says that the fix will start affected users in early May who set up the following builds:
Outlook users who have to reduce this problem can return to 2405 version as a temporary work -round using the following steps:
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Find the construction of version 2405 for the concerned channel you are from Update history for Microsoft 365 Apps (Listed by date) – Office release notes,
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Open a command prompt (run as an administrator).
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Type or paste the command given below (change the build with step 1), and then press Enter:
"%programfiles%\Common Files\Microsoft Shared\ClickToRun\officec2rclient.exe" /update user updatetoversion=16.0.17628.20144
As an alternative method, Microsoft also provides Office finance tool To Return to the first versions of the office.
Recently, the company has also issued an emergency office 2016 updates to fix the crash in Word, Excel and Outlook due to the April 2025 security update.
Earlier, it addressed several other Microsoft 365 and office issues, including a bug, which triggers Outlook crash, clicking on a button, which should help users go back to classic outlook and make a comprehensive licensing problem with family subscriptions to some customers, making a blockage to some customers. For.
It also solved a known issue, which broke the outlook email drag-and-drop on the Windows 24H2 system and a bug, crashed to write, reply or forward emails.