If you have many pictures, tables and equations in a page, and want to add caption for them, you can use "Build Captions" feature.
- OneNote insert figure, table and equation caption
- Build caption for all objects ( Images, tables, equations ) in OneNote
- Reference object ( Picture, Table, Equation ) with cross-reference in OneNote
- Select all captions to adjust and format in OneNote
- How to find out the error / broken references in OneNote
- Refresh to update all captions and cross-references in OneNote