Allows you to reopen the last closed window in the Finder quickly if you accidentally closed a window you wanted.
AAA - Apple - Finder Macros (v11.0.3)
AAA - Apple - Finder Macros.kmmacros (41 KB)
There is also probably a way to make it so all the closed Finder windows if you use command+option+w but I do not know how to program that so one window will have to do.