...Safes automatically scale in size without wasting space, can be synchronized with cloud services (auto-detecting Dropbox, Microsoft OneDrive, Google Drive, and any other cloud), and support shared network safes that allow simultaneous write access by multiple users. Integration exposes opened safes as drives usable from any program, including on ARM devices, and portable safes can be created on USB sticks or optical media, so data remains protected even if the carrier is lost. Security is bolstered with TOTP two-factor authentication using standard apps (Authy, Microsoft Authenticator, Google Authenticator), a live password quality and entropy indicator.