The Microsoft Office bundle containing Word, Excel, PowerPoint, and Access.
There is a site licence covering usage by staff on Departmentally-owned computers.
On managed Windows workstations various versions can easily be installed via WPKG.
On managed Macs, various versions can easily be installed via Munki.
For personal (not University-owned) computers, users can install Office 365 ProPlus by following the instructions provided by the University Information Service.