Office 365 vs Office 2021: Which Should You Buy?

Microsoft offers two ways to get Office: Office 365 (subscription) and Office 2021 (one-time purchase). Let's compare them to help you decide.

Office 365 (Microsoft 365)

Pros: Always up-to-date, 1TB OneDrive storage, works on multiple devices, includes Outlook premium, new features added regularly.

Cons: Monthly/annual subscription cost, stops working if you cancel.

Best for: Professionals, students, and anyone who needs the latest features across multiple devices.

Office 2021

Pros: One-time payment, works forever on the licensed device, no recurring costs.

Cons: No updates, fixed feature set, single device license.

Best for: Home users, small businesses, and those who prefer owning software outright.

Price Comparison

Office 2021 is significantly cheaper in the long run if you don't need regular updates. At Official Keys Store, you can get Office 2021 for a fraction of the retail price.

Our Recommendation

For most users, Office 2021 offers the best value. If you specifically need cloud collaboration and constant updates, Office 365 is worth the subscription.