In Microsoft OneNote, go to Settings on your device: Step 1: Add your Mac or PC's OneDrive account to your iPad or iPhone If you’re currently using a different OneDrive account on your iPad or iPhone than the one you use on your Mac or PC, you can sign into your Mac or PC notebooks by doing the following:
Open Mac or PC notebooks (different OneDrive accounts) To sync such notebooks across your devices, you must first upgrade your Windows PC to OneNote 2016, update your notebooks to the newer notebook format, and then move your local notebooks to OneDrive. However, notebooks originally created in versions earlier than OneNote 2010 for Windows will not sync with OneNote on your iPad or iPhone. Note: You can use the preceding step to open any notebooks on your iPad or iPhone that were created with OneNote for Windows.
