Dropbox has rewritten its popular namesake file-share application to be more enterprise friendly. The goal here to reassure businesses that Dropbox for Business is indeed to be trusted with corporate content and, oh by the way, get more companies to buy it as a result.

“We rebuilt all of Dropbox to give everyone two Dropboxes; one personal with your password your contacts, and a second company Dropbox accessible to you but managed by company. But you don’t want it to be klugey and hard to go back and forth. Most of us have one phone so we had to reengineer our interfaces,” said Ilya Fushman, director of product, mobile and business for the San Francisco-based company, ahead of an event in the city designed to highlight the new features.

Before, if Jane Doe had her personal Dropbox on her device and wanted to sign into the old Dropbox for Business, she really couldn’t do so without…