Ah yes, CodeWeavers CrossOver, yeah it’s essentially a customized and paid version of Wine, though I haven’t seen people have much more luck with it than just using latest standard Wine, but I’ve never tried it. When I tried various versions of Office directly in Wine, I ran across all kinds of installer and DLL issues, sadly.
I’m far from an expert, but here are links to WinApps and WinBoat (very similar solution):