Microsoft OneDrive vs Proton Drive comparison

Microsoft OneDrive and Proton Drive compared side by side in Cloud storage.

CurrencyUSD KRW EUR

Microsoft OneDrive

Cloud storage included in a Microsoft 365 subscription. Comes with 1TB plus the Word, Excel and PowerPoint desktop apps

What is good

Among the lowest price per TB in KRW in Korea (Family 6TB ₩155,000/yr)
Includes Office desktop apps and Copilot
Built into Windows

What could be better

No end-to-end encryption and no official Linux app
Family plan storage is fixed at 1TB per person, so one person cannot use more than that

Microsoft OneDrive official site

Proton Drive

End-to-end encrypted cloud storage from the Swiss security company Proton. Can also be bought in a bundle with mail, VPN and a password manager

What is good

Among the strongest on privacy (Switzerland, end-to-end encryption by default)
Unlimited alone covers mail, VPN and a password manager
Korean-language app and a 6-person family plan

What could be better

Less storage for the same price than pCloud and MEGA
No official Linux app

Proton Drive official site

At a glance

Highlighted rows are where they differ.

Item	Microsoft OneDriveVisit site	Proton DriveVisit site
Starting price	≈$2.19+ (₩2,900)Official KRW price	$4.99+Official USD price
Free tier	Free plan available	Free plan available
Free storage	5GB	5GB
Largest personal plan	1TB	1TB
Family sharing	Some plans	Some plans
How family sharing works	Up to 6 people on Family and Premium plans Storage is not pooled, 1TB is assigned to each person separately	Duo plan: 2 people share 2TB Family plan: up to 6 people share 3TB
Photo backup	Automatic backup	Automatic backup
End-to-end encryption	Not supported	Included by default
Supported devices	Windows, macOS, iOS, Android, Web	Windows, macOS, iOS, Android, Web
Korean support	Good	Average
Good for	Windows users Students and workers who need Office Households where several family members each need 1TB	People for whom privacy comes first People and families who want encrypted mail, VPN and a password manager all at once
Type	Cloud storage	Cloud storage
Company	Microsoft, United States	Proton AG, Switzerland
Plans	Free 5GB Basic 100GB ₩2,900/mo (₩29,900/yr) Personal 1TB ₩12,500/mo (₩125,000/yr) Family 1TB per person for up to 6 people ₩15,500/mo (₩155,000/yr) Premium 1TB per person for up to 6 people ₩29,000/mo (₩290,000/yr)	Free up to 5GB Drive Plus 200GB USD 4.99/mo Drive Plus 1TB USD 9.99/mo (iOS price) Proton Unlimited 500GB USD 12.99/mo (USD 9.99/mo with yearly billing) Duo 2TB for 2 people USD 19.99/mo (USD 14.99/mo with yearly billing) Family 3TB for 6 people USD 29.99/mo (USD 23.99/mo with yearly billing)
Pros	Among the lowest price per TB in KRW in Korea (Family 6TB ₩155,000/yr) Includes Office desktop apps and Copilot Built into Windows	Among the strongest on privacy (Switzerland, end-to-end encryption by default) Unlimited alone covers mail, VPN and a password manager Korean-language app and a 6-person family plan
Cons	No end-to-end encryption and no official Linux app Family plan storage is fixed at 1TB per person, so one person cannot use more than that AI features are for the subscriber only	Less storage for the same price than pCloud and MEGA No official Linux app Photo search and editing are weaker than Google Photos and iCloud

Prices and benefits may change. Check the official site before you pay.

Prices converted at 1 USD = ₩1,325.57 (2026-10-21). Original price shown in brackets. Taxes as listed by each provider.

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