A family of Microsoft products that enable users to capture, organize, and reuse notes electronically.
I think I solved it in a different way.
I went into the Edit & View section of the Onenote Preferences.
The Default paste option was set to "Select one..."
I changed that to "Keep Text Only" and now it seems to work.
I have Quit Onenote several times and started it again - and I don't get the beeps any more.