OneNote for the web does not play audio and video content, but the media is preserved in the notebook, and you can download audio and video files to your computer to play them. With the OneNote desktop app, you can record audio and video notes that are directly linked to any text notes you take while the recording is made. Learn more about types of add-ins for Office.

Content add-ins integrate web-based features as content that can be shows in line with a document. OneNote for the web only supports content add-ins for Office. Learn more about the differences between using a notebook in the browser and in OneNote desktop app. For example, flagging notes as questions, to-do items, or contact information. With OneNote for the web, you can apply a variety of tags to notes for easy organization and follow-up. Search for notebook changes and revisions by authors' names and view all recent edits when you return to a shared notebook. With the OneNote desktop app, you can identify and authenticate other authors more easily with the integrated profiles in OneNote. Advanced collaboration: New content shows as unread, presence All customers can view and lightly edit Office files using Microsoft 365 for the web. Use OneNote for the web (formerly OneNote Web App) to take notes online in a OneNote notebook that you can add to from anywhere and easily share with others.

Onenote online version