There was an Apple ][ GUI office suite toward the end that very much resembled the Mac (or perhaps more closely the IIgs?). It ran on quite a few floppies as I recall, and was Not Fast. We had a copy when my family had a //c, but never used it. We used AppleWorks instead, which had a word processor and spreadsheet that ran quite well on the //c.
If my memory is good, the office suite had a desktop and a file browser, but it really couldn’t do much of anything with it, as it really only had the few apps that it came with; it had a word processor of some sort (maybe more like a primitive desktop publisher?) and some other apps, but I’m not sure what. We had two disk drives (the internal plus one external 5.25") and I seem to remember that you still spent a lot of time swapping disks. It booted to one disk, then you’d have to swap another one in for whatever application you started (and save files to the second, probably?).
This is almost certainly the one I remember: