This would be an argument if MS Office were compatible to this degree with its own previous versions, which it just isn't. There's no excuse for literally not

This would be an argument if MS Office were compatible to this degree with its own previous versions, which it just isn't. There's no excuse for literally not even naming the versions of the software in question, let alone describing the actual problem, if one is going to take time out of one's furiously demanding work day to post a troll comment. Bug report and test document or it didn't happen.