Proton Drive vs Microsoft OneDrive
Proton Drive leads Microsoft OneDrive by 0.1 points overall (7.4 vs 7.3).
7.4/10, Good
7.3/10, Good
Criterion by criterion
Where each one wins
Proton Drive9.5
End-to-end encrypted by default with open-source apps, based in Switzerland.
Privacy & encryption
25% weight
Microsoft OneDrive6.0
Personal Vault adds extra sign-in checks, but files are not end-to-end encrypted.
Proton Drive7.0
Reasonable, best value when bundled with other Proton apps.
Value for money
20% weight
Microsoft OneDrive8.5
Microsoft 365 bundles bring Office apps alongside storage.
Proton Drive5.0
Up to 5 GB free.
Free tier
15% weight
Microsoft OneDrive4.5
5 GB free.
Proton Drive7.0
Windows, Mac and mobile apps; younger sync engine than leaders.
Sync & apps
20% weight
Microsoft OneDrive8.0
Built into Windows with Files On-Demand; no official Linux app.
Proton Drive7.5
Encrypted Docs and links into Proton Mail and Pass.
Ecosystem & sharing
20% weight
Microsoft OneDrive9.0
Tight Word, Excel and Windows integration.
Published facts
Side by side
| Fact | Proton Drive | Microsoft OneDrive |
|---|---|---|
| Free storage | 5 GB | 5 GB |
| End-to-end encrypted by default | Yes | No |
| Lifetime plan option | Not published | No |
| Official Linux sync app | Not published | No |
| Built-in document editing | Yes | Yes |
| Company base | Switzerland | United States |
Verdict
Which should you pick?
Choose Proton Drive if…
You want something best for privacy-first users and Proton customers.
- + End-to-end encrypted by default
- + Swiss jurisdiction
- + Encrypted document editing
Choose Microsoft OneDrive if…
You want something best for windows and Microsoft 365 users.
- + Built into Windows
- + Bundled with Microsoft 365 apps
- + Personal Vault folder
Checked 1 Nov 2026.
Questions
Proton Drive vs Microsoft OneDrive: quick answers
Is Proton Drive better than Microsoft OneDrive?
Proton Drive leads Microsoft OneDrive by 0.1 points overall (7.4 vs 7.3). Proton Drive scores higher on privacy & encryption, free tier. Microsoft OneDrive scores higher on value for money, sync & apps, ecosystem & sharing.
Who should choose Microsoft OneDrive over Proton Drive?
Microsoft OneDrive is best for windows and Microsoft 365 users. Proton Drive is best for privacy-first users and Proton customers.
How were Proton Drive and Microsoft OneDrive scored?
Both were scored on the same 5 weighted criteria for cloud storage services, using public information such as published plans and terms. We do not lab-test products.