Started seeing this last week. At the moment it seems to only hit one of my sites, an educational one, on the home page but tries up to half a dozen times across a couple of hours, starting at about a minute interval and extending upward. Retries probably because the bot is blocked
User-Agent:Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; MicrosoftPreview/2.0; +https://aka.ms/MicrosoftPreview) Chrome/100.0.4896.127 Safari/537.36
"MicrosoftPreview generates page snapshots for Microsoft products. Note that MicrosoftPreview has "desktop" and "mobile" variants."
The target url and web page content has changed since last week, when it was a product-only page.