A family of Microsoft products that enable users to capture, organize, and reuse notes electronically.
Hi,
Applying a tag to a note in OneNote is made easier for you to prioritize and categorize your notes so you can search for them quickly. You can see the details on how you can apply a tag on your notes in OneNote by clicking on this link. Also, by clicking on search for tagged notes on the same article, you can see the steps on how you can search your tags.
Hope this information helps and if you have any other questions, do get back to us.
Regards.