Outlook may be impacting your PC's performance
Microsoft has detailed an issue where CPU's

It's a bad day at the office for Microsoft. Just recently, we reported that people are experiencing difficulties while sharing files in Microsoft Teams, causing major disruptions in workflows and impacting overall enterprise productivity. Now, it appears that the classic Outlook app is causing headaches for customers too, which is yet another inconvenience too soon for users who were impacted earlier by a bug that left them unable to revert to the old version of the mail app.