✅ Summary: Quick Decision Guide
| Feature | Office 365 (Microsoft 365) | Office 2021 |
|---|---|---|
| Pricing | Subscription (monthly/yearly) | One-time payment |
| Apps Included | Word, Excel, PowerPoint, Outlook + more (always updated) | Word, Excel, PowerPoint, Outlook (static versions) |
| Cloud Storage | 1TB OneDrive per user | None |
| Device Limit | 5 devices per user | 1 device |
| Best For | Ongoing users who prefer cloud + mobile | Offline or budget users |
| License Duration | Expires unless renewed | Lifetime |
🧠 What’s the Difference Between Office 365 and Office 2021?
Let’s break it down in real-world terms, not corporate jargon.
- Office 365 (Microsoft 365) is a subscription-based product. You pay monthly or yearly, and in return, you get:
- Always the latest version of Word, Excel, etc.
- 1TB of cloud storage on OneDrive
- Access to mobile apps and browser-based editing
- 5-device installation limit (PCs, Macs, phones, tablets)
- Office 2021 is a one-time purchase. You buy it once, and it’s yours forever. However:
- You get only one installation
- No updates beyond the 2021 version
- No OneDrive cloud storage
- Ideal for offline or basic users
💰 Pricing Comparison in India (2025)
| Plan | Price (Approx) | Delivery |
|---|---|---|
| Office 365 Personal (1 user/year) | ₹1,999–₹3,999 | Digital Key |
| Office 365 Family (6 users/year) | ₹4,999–₹5,999 | Digital Key |
| Office 2021 Pro Plus | ₹349 (from keys-shop.in) | Instant |
Note: Retail pricing may be much higher via Microsoft directly (₹9,199+ for Office 2021).
🎯 Which One Should You Buy?
👉 Choose Office 365 if:
- You use multiple devices
- Need cloud backups & online collaboration
- Want ongoing feature updates
- Work in teams or manage a family account
👉 Choose Office 2021 if:
- You’re on a tight budget
- Only need the core apps (Word, Excel, PowerPoint)
- Prefer a one-time payment
- Don’t care about updates or cloud storage
📦 What We Offer on Keys-Shop.in
| Product | Price | License Type | Delivery Time |
|---|---|---|---|
| Office 365 (1 Year) | ₹1,499–₹2,499 | Retail | 15 mins |
| Office 2021 Pro Plus | ₹349 | Lifetime | 15 mins |
All keys are genuine, backed by our guarantee, and come with activation support.
🧠 FAQs – Office 365 vs Office 2021
Q: Is Office 2021 a one-time payment?
✅ Yes, you pay once and can use it forever.
Q: Can I use Office 365 offline?
✅ Yes, apps install on your PC, but you must connect every 30 days to renew license validation.
Q: Can I upgrade Office 2021 later?
🚫 No, it’s fixed. You’ll need to purchase a newer version later.
🔗 Final Verdict: Still Confused?
If you prefer flexibility and the latest tools, go for Office 365.
If you want a budget, set-it-and-forget-it solution, Office 2021 is your winner.
