Microsoft says the ESU program is "not intended as a long-term solution but rather as a temporary bridge to stay secure while one migrates to a newer, supported platform."  Windows security ...

In the Sync your settings section, toggle off the settings you do not want to sync. You can choose to disable syncing for theme, passwords, language preferences, Ease ...

To backup your files with OneDrive, you'll need to turn on the feature in the "Backup" tab of your OneDrive settings.