Box, whose service is aimed primarily at businesses, nonetheless offers individual free accounts with 10GB of storage, and a Starter tier for teams of up to 10 people with 100GB of storage for $5 per user/month.
The Dropbox enterprise version, called Dropbox for Business, costs $15 per user/month for a minimum of five users and provides unlimited storage.
Microsoft also made an aggressive move in the enterprise cloud storage space in April, when it announced an increase in per-user storage of OneDrive for Business from 25GB to 1TB. OneDrive for Business, formerly called SkyDrive Pro, is the business version of OneDrive, designed for employees to store, share and sync their personal work files.
The increase applied to the stand-alone version of OneDrive for Business, which costs $5 per month with the free Office Online, and to OneDrive for Business bundled with the workplace versions of Office 365.
Google also offers enterprise storage with its Apps for Business email and collaboration suite, which costs $5 per user, per month. Apps for Business includes 30GB of Gmail and Drive storage and customers can purchase more storage in various increments, including 1TB for $89 per user, per month.
Cloud storage has become extremely popular among consumers and businesses because it lets users access their files and documents from their different devices -- PCs, tablets, smartphones -- and share them easily with friends and colleagues.
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