[/I]I know this thread is a bit old but I just started using Edge today and this was buggin me and I just figured it out.
I opened up file Explorer and went to
C:\Users\My username folder
and pasted this at the end
I had two folders in there I opened them and right clicked in a blank space and selected Sort By Type. Then I restarted Edge and all were sorted properly
There was no way I would continue to use Edge like that and there was no way I would sort them by moving them around with the mouse I have 501 files .
The full path to the folder is: