I need help for my Online App access someone else's OneDrive Folder shared to me. I am expecting same operation as Desktop Folders like dragging files from one folder to next.

My Edge tabs as follows:
(1) Adobe Express
(2) OneDrive Folder of someone else.

Above Tabs Actions I tried:
(1) Adobe Express:
A. "Upload from Web" option not provided so I tried below.
B. "Upload from device", Tab 2 is not visible (OneDrive Web)
(2) OneDrive:
(A) copy its URL but cannot paste to Tab 1 (Adobe)
(B) download all but is repeating location for each file required?
(C) "Copy To" but is it only for My OneDrive? My local folder created for download is still not visible.
I wish Edge Tabs behave like Desktop Folders.