An offline version of Office 365
What, like a version of Office that you run on your own machine, even if it's not connected to the cloud? Inconceivable!
Though personally I'd be happy if they just stopped at "an off version of Office 365". I've been using Word (reluctantly, when forced to do so) since a floppy with a preview of MS Word 1.0 was bound into issues of PC Magazine, and Excel (with loathing) since the mid-1990s. If I never had to use them again it would be a minor but significant improvement in my life.