If you want to remove Facebook Contacts & clean up your Windows Calendar app and remove Facebook Birthdays from the Calendar app, then this post is sure to help you.
Remove Facebook birthdays from Calendar app
If you want to remove the Facebook birthdays from the Calendar app on your Windows 11/10 PC:
That’s it!
Remove Facebook Contacts from Windows devices
If you do not want the telephone numbers and contact details of your Facebook Friends being displayed on your Windows device, you can remove the Facebook Contacts. Visit your Microsoft Account, sign in and click the Remove this connection completely link. When you do this, all Facebook data syncing with your Windows 10 device is stopped. I hope this works for you!