The Box service was released in 2005. In the first year after its release, the company's revenue was tens of thousands of dollars. It raised $1.5 million in series A funding in 2006 and $6 million in Series B funding in 2008. Box's revenues grew 500% from 2008 to 2009. By 2010, the company had raised $29.5 million in funding and the service had four million users.
Box was initially focused on consumers, but many of those consumers used the service at work. Box pivoted to focus on business users around 2009 and 2010. The company developed features to embed Box in common business applications or use APIs to integrate with them. In 2011, a reworked version of the Box service was released with technical improvements designed for handling large numbers of business users, changes to the user interface, and more collaboration features. The company started developing its first industry-specific features for heavily regulated industries in 2012, when it introduced tools for HIPAA compliance at healthcare organizations.
In April 2021, Box announced that it had accepted a $500 million investment from KKR, a private equity firm.
Box acquired Increo Solutions, which developed software for previewing and collaborating on digital files, in October 2009.
In 2013, the company acquired dLoop, Folder iOS, an application designed for storage, file management, and sharing, and Crocodoc.
In June 2014, the Y Combinator-backed company Streem was acquired for an undisclosed amount. Later that year in November, Box acquired MedXT, a medical software developer, for $3.84 million.
Verold, a cloud-based 3D model editor and viewer for the web and mobile devices, was acquired in 2015, along with Subspace, a company specializing in BYOD security for mobile devices, and AirPost, a startup that helps detect and manage cloud application usage.
The company acquired Wagon Analytics in August 2016.
Butter.ai, a search engine company, and Progressly were acquired in July 2018.
In February 2021, Box acquired Tervela for a reported $14.8 million and e-signature startup SignRequest for $55 million.
Box announced in January 2024 that it had acquired Crooze, a content management app maker, for an undisclosed amount. In August of that same year, the company announced it had acquired Alphamoon, a Polish-based startup specializing in intelligent document processing.
Box stores files in an online folder system that can be accessed from any device with an internet connection. Often, a copy of the files are also stored on the user's devices, then synchronized with the online version. Users can invite "collaborators" that can upload or modify files or the user can share specific files or folders. Users can also create certain files directly in Box.com and add comments or notes that are visible from the folder system.
Box began as a simple service for storing, sharing, and syncing files among different users and devices, but developed over time into an enterprise product with features for security and compliance. Files on Box are encrypted using TLS encryption. Each user has access to their own documents, as well as to corporate files that the IT department manages. IT staff can also set other access and security policies, get audit information like who accessed what files, and receive alerts for suspicious downloads. Box's open APIs allow it to integrate with common business applications. For example, one integration allows users to save files to their Box.com folders directly from Microsoft applications. The company also provides consulting, support, and other services.
Box held its first annual conference, BoxWorks, in January 2010, initially under the name Altitude. The first conference drew about 300 attendees, but grew to about 3,000 by 2013.
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