If you read over our guide to using Dropbox for more than just file syncing and thought about how great it would be to use Dropbox for keeping your Microsoft OneNote notebooks synchronised in real time, you're in luck.
You could simply store the OneNote notebook you want to use in multiple locations within your Dropbox folder, just like any other document. OneNote however has support for multiple users which makes things more interesting.
When you create a new notebook you can specify, as in the screenshot above, that "Multiple people will share the notebook". Even though you may not be actually going to share the notebook, you want to enable this option. By doing so you make it so that the notebook can be written simultaneously from multiple locations without a problem. Thus if you leave OneNote open on your home PC but you're using it at work, school, or out and about with your laptop, you'll be able to work on the notebook. As a bonus you can put the notebook in a folder you're sharing with a coworker or classmate and you can collaborate in real time on a notebook — changes between locations take one a few seconds to update.
For a step by step guide check out the article at the link below. If you have a OneNote-related tip or trick, we'd love to hear about it in the comments below.
How to Use Dropbox to Share OneNote Notebooks [IHeartOneNote]