Piracy is just that you didn't spend money, and the program itself is no different from the genuine one. It's like you went to the mall and stole a printer. This behavior is wrong. But you can never ask others, can you see from the documents you printed that your printer was stolen?

Microsoft Office is a set of office software developed by Microsoft, which is developed for Microsoft windows and Apple Mac OS X. Like office applications, it includes federated servers and Internet-based services.