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Dropbox vs Microsoft OneDrive: catalog facts
Dropbox	Microsoft OneDrive
Freemium A small free tier is available. More storage and features require a paid plan.	Freemium A small free tier is available. More storage comes with paid Microsoft 365 plans.
Windows, macOS, Linux, Android, iOS, Web	Windows, macOS, Android, iOS, Web
The most mature and reliable sync engine, with clients everywhere Smart sync keeps large libraries usable on small disks	Deeply integrated into Windows and Office, including Files On-Demand Storage is included with a Microsoft 365 subscription
The free tier is only a few gigabytes and caps linked devices Files are stored unencrypted from the provider's point of view	Only 5 GB free, and it inserts itself into Windows folders aggressively No Linux client from Microsoft
Downloadable app, Hosted service	Downloadable app, Hosted service
Closed source	Closed source
License not stated	License not stated
Account needed	Account needed
Not stated if it works offline	Not stated if it works offline
Official website Full listing and sources Checked September 22, 2026	Official website Full listing and sources Checked September 22, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.