Ads in Windows 11 File Explorer? Not on our watch! Ads mistakenly appeared inside Windows 11 File Explorer and have since been disabled.
Twitter user Florian B was testing out Windows 11 Insider Preview Build 22572 when they noticed an ad inside File Explorer. The ad was for Microsoft Editor and prompted the user to click to “Learn More.”

Source: Hot Hardware – Microsoft Tests Ads In Windows 11 File Explorer But You’re Not Supposed To Know