From what I recall, you want to download Onenote UWP on Windows and then download app on iPad (or whichever tablet).On the top of your list of notes, type a search term or phrase in the Search box How to sync onenote notebooks on ipad with pc/ onedrive You need to sign in with the same account on multiple devices to see your notes across your devices. Tap and hold on the notebook name in the Notebooks list, and then tap Sync Notebook Open OneNote for iPad, and then on the Home tab, tap the Sticky Notes icon. A progress marker will appear at the top of the list. Pull down the Notebooks list with your finger to initiate a sync. Control-click the notebook name in the Notebooks list, and then click Sync This Notebook. Then you can refer to the following article for further analysis OneNote for Mac. I suggest you backup the content, you can copy the affected content to Word document, it can help us prevent the data losing. If you can't see the content on OneNote online, the issue may be occurred when sync content from iPad to OneDrive. Home How do I sync OneNote from iPad to PC