When OneNote shows "Not Responding", it usually means the app is stuck during a task (syncing, loading a large notebook, ...

One reason your OneNote Notebook is unable to sync is that your Internet connection is poor. To confirm this, we need to check the bandwidth. You can do this by using one of the free Internet speed ...

To create a new notebook in OneNote, click the list of notebooks already in OneNote and then click "Add Notebook." OneNote creates your first notebook for you automatically when you set up the program ...