This is something that has been raised in the past on other platforms: https://answers.microsoft.com/en-us/msoffice/forum/all/office-365-on-linux/262e3066-a71e-4af7-9600-af9f8d0746b6
Opening it aga...
Still need this! Especially OneNote since it is the only application of its kind - no other note taking app has the same capabilities. Honestly, the other Office apps are easily replaced but OneNote is in a league of its own.