Microsoft OneDrive vs Proton Drive
What owners say · Updated October 2026
Proton Drive provides zero-knowledge privacy and robust file versioning for security-focused users, while Microsoft OneDrive delivers deep integration with Windows and the Microsoft 365 Office suite. Owners note that Proton Drive suffers from slow synchronization and missing mobile search features, whereas Microsoft OneDrive users frequently battle recurring sync failures and aggressive default behaviors.
Microsoft
Microsoft OneDrive
“Microsoft OneDrive provides deep ecosystem integration for Windows users, but long-term owners frequently battle stubborn sync failures, lost files, and aggressive default behaviors.”
Choose it if you want deep integration with Windows and convenience in syncing Office documents.
From $1.99/moPrices checked Oct 14, 2026
Proton
Proton Drive
“Proton Drive delivers unmatched privacy and robust file versioning, but its slow synchronization and immature ecosystem features leave demanding users frustrated.”
Choose it if you prioritize end-to-end encryption and extensive file versioning over office suite integration.
From $4.99/mo, free plan availablePrices checked Oct 14, 2026
At a glance
| Microsoft OneDrive | Proton Drive | |
|---|---|---|
| Starting price | $1.99/mo | $4.99/mo |
| Free plan | No | Yes |
| Speed and syncing complaints | 60% of reports | 29% of reports |
Share of each model's owner reports raising speed and syncing; the category average is 32%.
Where owners report a difference
| Microsoft OneDrive | Proton Drive | |
|---|---|---|
| Synchronization | Owners report recurring sync failures, slow speeds, and occasional data loss. | Owners report extremely slow synchronization speeds with large numbers of small files or deep folder structures. |
| Privacy | Owners note that the service lacks zero-knowledge encryption for privacy-conscious individuals. | Owners report end-to-end encryption covering all files, folder names, and filenames for maximum privacy. |