To sync notes across devices using Microsoft OneNote, users need to ensure they are signed into their Microsoft account on each device where OneNote is installed. This account allows OneNote to store and synchronize notes in the cloud, which is essential for accessing the same content from different devices.
When a user creates or modifies notes on one device, those changes are automatically uploaded to OneNote's cloud service. On other devices, users should make sure they are connected to the internet and have opened the OneNote application. In most cases, the notes will synchronize automatically. Users can manually trigger synchronization by selecting the "Sync" option, typically found in the File menu or by right-clicking on a notebook in the navigation pane.
It is also beneficial for users to check their settings to ensure that automatic syncing is enabled. For further information and assistance, users may want to explore the help resources available on the OneNote website or their official support page.