Which Office version should you buy?

#: https://www.microsoft.com/en-au/store/b/office?icid=CNavSoftwareOffice&activetab=tab%3ahomeorpersonal

In brief, Office 365 is purchased in subscription type which means you need to renew subscription every month or every year.

On the other hand, Office 2016 is permanent and you don't need to pay any extra for it. But more expensive than Office 365.

Office 365 Home ($ 129 per year)

 - All office suite application, 5 PC and 1 TB OneDrive storage.

Office 365 Personal ($ 99 per year)

 - All office suite application, 1 PC and 1 TB OneDrive storage.

Office Home & Student 2016 for PC ($ 199)

 - Single purchase will bring permanent license. Only for 1 PC. Recommended for normal user.