Question How do I remove the "new look" for Microsoft Office 2021 that they sprang on me this morning?

Everything has moved, all the edges are rounded, nothing looks or works the same. It's awful. It came as soon as I reopened any office programs.
 
In the upper right hand corner, you should find a little switch that you can Toggle for it to switch back to the old

I tried the new look, and I hated it and it’s slowed everything way down