Re: I will give this the attention it deserves..
"we have to keep one single copy of Microsoft Office alive"
But which version? There's the rub.
That's what the "have to keep alive" refers to - the price for sticking to a version is that you have to guard it very carefully. Once you lose it, it's very hard to replace it with the same version, and once your hardware registers a sufficient distance between the end of its warranty period and the current date you'll have a fight on your hands - just a restore from backup will no longer work.
The irony here is that this was actually what provided the last straw - this happened to an executive machine and the guy on call managed to get the user to try LibreOffice as an "interim solution" until he could come back to base. Now it's the only thing we use.