Office was available for iPhone and Android phones before, but you couldn’t create or edit documents without an Office 365 subscription, which starts at $7 per month. Now, all you need is a free Microsoft account. (Full editing on the new iPad version requires an Office 365 subscription. The smartphone versions aren’t particularly robust. In Word, you can type, search, add comments and perform some basic font formatting, but that’s it. In Excel, you can search, filter and perform five simple mathematical functions. You can open existing PowerPoint files and edit slide text, but you can’t create new presentations.
read more via time.com