In October 2015, it officially announced Dropbox Paper, its collaborative document editor. Both Mailbox and Carousel were shut down in December 2015, with key features from both apps implemented into the regular Dropbox service. In March 2013, the company acquired Mailbox, a popular email app, and in April 2014, the company introduced Dropbox Carousel, a photo and video gallery app. Dropbox offers computer apps for Microsoft Windows, Apple macOS, and Linux computers, and mobile apps for iOS, Android, and Windows Phone smartphones and tablets. Dropbox Basic users are given two gigabytes of free storage space.

Dropbox uses a freemium business model, where users are offered a free account with set storage size, with paid subscriptions available that offer more capacity and additional features. The contents of these folders are synchronized to Dropbox's servers and to other computers and devices where the user has installed Dropbox, keeping the same files up-to-date on all devices. 4 System requirements for the Dropbox appĭropbox brings files together in one central place by creating a special folder on the user's computer.

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