Microsoft Office 2016 (and prior versions) is available in the full retail product, OEM (with a PC), Academic, Open License and with Software Assurance.
The full range is available which includes Word, Excel, PowerPoint, Outlook, Access, Publisher, OneNote etc.
Office165 also come in a number of versions: Professional Plus, Business Premium, Enterprise versions. The should be a version for you, at a monthly or annual price that suits you.