Why Outlook Is Eating Your CPU — And What Microsoft Says About It episode artwork

EPISODE · Apr 25, 2025 · 12 MIN

Why Outlook Is Eating Your CPU — And What Microsoft Says About It

from Daily Security Review · host Daily Security Review

Microsoft has acknowledged a serious issue affecting users of classic Outlook for Windows: CPU usage spikes up to 50% just from typing emails. First appearing in builds released since November 2024, this bug is now hitting users across several update channels—including Current, Monthly Enterprise, and Insider—leading to power drain, sluggish performance, and user frustration.In this episode, we unpack:What’s causing the CPU spike when typingWhy Microsoft’s workaround is a trade-off between stability and securityHow switching to the Semi-Annual Channel may helpThe long and growing list of classic Outlook bugs, from calendar sync errors to crashes and UI glitchesWhat this means for IT teams managing enterprise deploymentsWhether it’s finally time to move to the “New Outlook” or look at alternativesWe also explore Microsoft's update channels, why managing Outlook versions is so complex, and what this bug reveals about the future of the classic Outlook client.🔧 Fix pending. Workarounds available. But is this the tipping point?#Outlook #Microsoft365 #EmailClient #ITAdmin #SysAdmin #TechPodcast #ProductivityApps #InfoSec #PatchTuesday

Episode metadata supplied by the publisher feed · Published Apr 25, 2025

Embed this episode

NOW PLAYING

Why Outlook Is Eating Your CPU — And What Microsoft Says About It

0:00 12:17

No transcript for this episode yet

We transcribe on demand. Request one and we'll notify you when it's ready — usually under 10 minutes.

No similar episodes found.

No similar podcasts found.

Frequently Asked Questions

How long is this episode of Daily Security Review?

This episode is 12 minutes long.

When was this Daily Security Review episode published?

This episode was published on April 25, 2025.

Can I download this Daily Security Review episode?

Yes. Use the download control on the episode player to save the publisher-provided media file.
URL copied to clipboard!