map a drive letter to OneDrive --- apparently you can do that

 https://www.techrepublic.com/article/how-to-assign-a-drive-letter-to-microsoft-onedrive-in-windows-10/#:~:text=Select%20the%20Map%20network%20drive%20item%20from%20the%20dropdown%20menu.&text=On%20the%20next%20screen%20(Figure,a%20letter%20already%20in%20use.&text=You%20also%20want%20to%20check,to%20continue%20the%20mapping%20process.

yes , you can map a drive letter to OneDrive