Office 365

In addition to or instead of offering access to separate Office applications, your institution might have a subscription to Microsoft Office 365, which is a cloud-based collaboration service that brings together a range of features:

• The latest Office desktop applications for up to 5 devices
• Includes: Word, Excel, PowerPoint, One Note, plus many more
• Available on selected Android, iPhone and Windows phones
• Enables Office content viewing and editing on the go
• Exchange Online Mailbox
• Access your email, contacts and calendar
• Also from mobile devices
• Email Storage increased to 50GB
• Skype for Business (IM)
• Instant messaging, video and voice calls

Even if your institution doesn't offer Office 365, students are eligible for a free subscription. 

This video explains how it works:

"Don't panic, it can be simple if explained well!" Omar, 1st-year student