How to sync files and folders to OneDrive on a PC or Mac computer

You can sync specific files and folders to OneDrive on your computer under "Preferences" in OneDrive's "Help & Settings" menu ...

Does OneNote automatically save? How to use the Microsoft app's sync feature to autosave

OneNote automatically saves your work through its notebook syncing feature, but Windows PC users can disable and re-enable it at any time.
Ars Technica

Keeping Outlook and OneNote in sync

For most of the office suite (and for PDF files), using Windows LiveSync works perfectly. However, because Outlook and OneNote keep open a file, LiveSync is very messy with plenty of version conflicts ...
Windows Central

Samsung Notes and Reminders will soon sync to Microsoft To Do and OneNote

Samsung and Microsoft announced today that Samsung phones are getting more integrated with Microsoft 365. Soon, your Samsung Reminders and Notes can easily be synced to To Do and OneNote. The features ...
Engadget

Samsung's Notes app will soon sync with Microsoft OneNote

A new Galaxy Note wouldn't be complete without some new note-taking features. Today, Samsung unveiled a refreshed Notes app that will sync with Microsoft's infinitely more popular OneNote platform.