Proton, which is best known for its end-to-end encrypted email service, is launching its cloud-based storage solution on Windows starting today. Up until now, Proton’s Drive service was available via the web and on mobile via its iOS and Android apps. The company rebranded itself last year from ProtonMail to just Proton, an indicator that it has ambitions beyond just email. Earlier this year, the company also launched a password manager.The key difference between Proton Drive and other cloud-based storage options is that it will offer free, encrypted file storage by default. The service will also offer all of the essentials such as multi-device syncing, offline downloads and version history. Proton says that it saw beta Windows users upload five times more data than its mobile and web app users combined. It says that over 65 percent of its overall users access the service from a Windows device, which probably explains why a Windows app came before a Mac one. Proton claims that all files are encrypted be
