Outlook.com vs 20i
20i wins on privacy, Outlook.com wins on price and 20i wins on features. Every fact below was checked on or before 25 October 2026.
Outlook.com or 20i: which should you choose?
- Choose Outlook.com if you want a free plan before you pay anything and more room (15 GB, against 10 GB).
- Go for 20i if you'd like your mailbox stored in the United Kingdom; email from a company that doesn't make money from adverts; and an address on your own domain.
| Feature | Outlook.com | 20i |
|---|---|---|
| Overall | 2.5 | Not rated |
| Privacy | 0.0 | 2.5 |
| Price | 5.0 | Not rated |
| Features | 4.0 | 4.5 |
| Cheapest plan | Free (Microsoft 365 Basic for more space) Free | Email hosting Not confirmed |
| Free plan | Yes, 15 GB | No |
| Storage | 15 GB | 10 GB |
| Your own domain | No | ✓ Yes |
| End-to-end encryption | No | No |
| Company based in | United States | United Kingdom |
| Your data is kept in | United States and worldwide | United Kingdom |
| Founded | 1996 | Unknown |
| Free trial | Free | Unknown |
| Funded by advertising | Yes, or its parent company is | No |
| Works in any mail app | ✓ IMAP and SMTP | ✓ IMAP and SMTP |
| Calendar and contacts | ✓ Yes | ✓ Yes |
| Aliases | Yes | Yes |
| Open-source apps | No | No |
| Sign up without ID | No | No |
| White label | No | ✓ Yes |
| Reader offer | None | None |
| Last checked | 22 October 2026 | 25 October 2026 |
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Where they differ
- Cheapest plans: Outlook.com Free (Microsoft 365 Basic for more space), Free. 20i Email hosting, Not confirmed.
- For free, Outlook.com gives you a free plan (15 GB), and 20i no free plan.
- Outlook.com comes with 15 GB of storage and 20i with 10 GB of storage.
- Data location: United States and worldwide for Outlook.com, United Kingdom for 20i.
- Outlook.com is based in the United States and 20i in the United Kingdom, so different privacy laws apply.
- 20i lets you bring your own domain name; Outlook.com doesn't.
- Only Outlook.com is part of an advertising business.
Questions people ask
Which is more private, Outlook.com or 20i?
20i scores 2.5 out of 5 for privacy and Outlook.com 0. 20i gives you your mailbox stored in the United Kingdom and email from a company that doesn't make money from adverts.
Do Outlook.com and 20i work with my own domain?
Only 20i does (Yes). With Outlook.com your address stays on its own domain.
Where do Outlook.com and 20i keep my email?
Outlook.com keeps it in the United States and worldwide. 20i keeps it in the United Kingdom.
Recent price changes
I haven't seen either change its price since I started checking on 22 October 2026.
The latest headlines: Outlook.com news · 20i news.
Not sold on either? Try these
Outlook.com vs mailbox.org · 20i vs mailbox.org · Outlook.com vs Posteo · 20i vs Posteo · Outlook.com vs Proton Mail · 20i vs Proton Mail
Switching between them
Moving to Outlook.com · Moving from Outlook.com. Or see all my switching guides.