That may explain it, I have this ongoing issue with copying-and-pasting from a Word for Windows document whereby when I paste, the font gets changed over to something completely different. And it's a font that doesn't even appear in either the Windows doc or the Mac doc! So weird, and it doesn't always happen.
I'm not sure either. I did have Word's AutoSave feature on, and Word had crashed once before with the same symptoms, and all was recovered. I could not find the auto-save file this time. I've been in contact with MS, and they have been quite helpful. They think it is a font issue with fonts created in Windows coming-over to Mac. I've deleted the normal templates as per MS's suggestion and no problems now. Unfortunately, I will not get that two hours back.