Microsoft Office applications are essential tools for millions of users worldwide. Whether you’re a student, professional, or business owner, choosing the right office suite can impact your productivity. As of 2025, Microsoft offers two popular options: Microsoft 365 and Office 2021. But which one is the best choice for your needs?
In this article, we’ll compare Microsoft 365 and Office 2021, highlighting their key features, pricing, and performance to help you decide which is best for you.
What is Microsoft 365?
Microsoft 365 is a subscription-based service that provides access to the latest versions of Microsoft Office applications like Word, Excel, PowerPoint, Outlook, and more. It includes cloud-based services like OneDrive storage, Microsoft Teams, and SharePoint.
Key Features of Microsoft 365:
- Always up-to-date applications
- 1TB OneDrive cloud storage
- Multi-device access (PC, Mac, mobile)
- Microsoft Teams for collaboration
- Security updates and technical support
- Monthly or annual subscription
What is Office 2021?
Office 2021 is a one-time purchase of Microsoft Office apps, including Word, Excel, PowerPoint, and Outlook. Unlike Microsoft 365, Office 2021 doesn’t receive regular updates or additional cloud services.
Key Features of Office 2021:
- One-time payment (no subscription)
- Classic Office apps
- No cloud storage
- Limited features compared to Microsoft 365
- Only available for one device
Pricing Comparison
| Office Suite | Pricing | Updates | Cloud Storage |
|---|---|---|---|
| Microsoft 365 | Starts at $6.99/month | Regular Updates | 1TB OneDrive |
| Office 2021 | $149.99 (One-time) | No Updates | None |
Performance and Compatibility
- Microsoft 365 is better for users who need regular updates, cloud storage, and collaboration tools.
- Office 2021 is ideal for those who prefer a one-time purchase without ongoing costs.
Which Office Suite is Best for You?
- Choose Microsoft 365 if you need cloud storage, regular updates, and multi-device access.
- Choose Office 2021 if you only need basic Office apps on a single device without additional services.
Conclusion
Both Microsoft 365 and Office 2021 offer great productivity tools, but your choice depends on your needs and budget. If you want the latest features and cloud storage, Microsoft 365 is the best option. However, if you prefer a one-time purchase without ongoing fees, Office 2021 is the better choice.
Make sure to consider your workflow and budget before making a decision. Let us know in the comments which Office suite you prefer in 2025!
Meta Description
Compare Microsoft 365 vs Office 2021 in 2025. Discover the best Office suite based on pricing, features, and performance to improve your productivity.