OpenBoard comes with a documents handler. You can access it by simply clicking on

Create folders and organize your work
You can create a folder by clicking on the "New Folder" icon. Name it, and drag and drop your documents in. The same way, you can move an entire folder in another one.

Handle pages
An OpenBoard document can contain multiple pages. You can duplicate them, move them to trash or to another document, create new ones from folders of images, ...

