Description of Business and Basis of Presentation	9 Months Ended
Oct. 31, 2015
Organization Consolidation And Presentation Of Financial Statements [Abstract]
Description of Business and Basis of Presentation	Note 1. Description of Business and Basis of Presentation Description of Business We were incorporated in the state of Washington in April 2005, and were reincorporated in the state of Delaware in March 2008. We changed our name from Box.Net, Inc. to Box, Inc. in November 2011. We provide a cloud-based mobile optimized enterprise content management and collaboration platform that enables organizations of all sizes to easily and securely manage their content from anywhere, and collaborate internally and externally. Basis of Presentation The accompanying condensed consolidated balance sheet as of October 31, 2015 and the condensed consolidated statements of operations, the condensed consolidated statements of comprehensive loss and the condensed consolidated statements of cash flows for the three and nine months ended October 31, 2015 and 2014, respectively, are unaudited. The condensed consolidated balance sheet data as of January 31, 2015 was derived from the audited consolidated financial statements that are included in our Form 10-K for the fiscal year ended January 31, 2015, which was filed with the Securities and Exchange Commission (SEC) on March 30, 2015. The accompanying statements should be read in conjunction with the audited consolidated financial statements and related notes contained in our fiscal 2015 Form 10-K. The accompanying condensed consolidated financial statements have been prepared in accordance with U.S. generally accepted accounting principles (U.S. GAAP) for interim financial information. Accordingly, they do not include all of the financial information and footnotes required by U.S. GAAP for complete financial statements. In the opinion of our management, the unaudited condensed consolidated financial statements have been prepared on the same basis as the audited consolidated financial statements in the Form 10-K, and include all adjustments necessary for the fair presentation of our balance sheet as of October 31, 2015, and our results of operations, including our comprehensive loss, and our cash flows for the three and nine months ended October 31, 2015 and 2014. All adjustments are of a normal recurring nature. The results for the three and nine months ended October 31, 2015 are not necessarily indicative of the results to be expected for any subsequent quarter or for the fiscal year ending January 31, 2016. Prior Period Reclassifications Certain reclassifications of prior period amounts have been made to conform to the current period presentation.

Note 1. Description of Business and Basis of Presentation

Description of Business

We were incorporated in the state of Washington in April 2005, and were reincorporated in the state of Delaware in March 2008. We changed our name from Box.Net, Inc. to Box, Inc. in November 2011. We provide a cloud-based mobile optimized enterprise content management and collaboration platform that enables organizations of all sizes to easily and securely manage their content from anywhere, and collaborate internally and externally.

Basis of Presentation

The accompanying condensed consolidated balance sheet as of October 31, 2015 and the condensed consolidated statements of operations, the condensed consolidated statements of comprehensive loss and the condensed consolidated statements of cash flows for the three and nine months ended October 31, 2015 and 2014, respectively, are unaudited. The condensed consolidated balance sheet data as of January 31, 2015 was derived from the audited consolidated financial statements that are included in our Form 10-K for the fiscal year ended January 31, 2015, which was filed with the Securities and Exchange Commission (SEC) on March 30, 2015. The accompanying statements should be read in conjunction with the audited consolidated financial statements and related notes contained in our fiscal 2015 Form 10-K.

The accompanying condensed consolidated financial statements have been prepared in accordance with U.S. generally accepted accounting principles (U.S. GAAP) for interim financial information. Accordingly, they do not include all of the financial information and footnotes required by U.S. GAAP for complete financial statements. In the opinion of our management, the unaudited condensed consolidated financial statements have been prepared on the same basis as the audited consolidated financial statements in the Form 10-K, and include all adjustments necessary for the fair presentation of our balance sheet as of October 31, 2015, and our results of operations, including our comprehensive loss, and our cash flows for the three and nine months ended October 31, 2015 and 2014. All adjustments are of a normal recurring nature. The results for the three and nine months ended October 31, 2015 are not necessarily indicative of the results to be expected for any subsequent quarter or for the fiscal year ending January 31, 2016.

Prior Period Reclassifications

Certain reclassifications of prior period amounts have been made to conform to the current period presentation.