Google Adds E2EE to Gmail Mobile for Enterprise Users

Google has rolled out end-to-end encryption for Gmail to Android and iOS devices, enabling eligible enterprise users to compose and read protected emails directly within the mobile app. The update, announced this week in April 2026, addresses a long-standing gap that previously confined the feature to desktop web access.

The new capability uses client-side encryption, where messages and attachments are scrambled on the sender's device before transmission to Google's servers. This ensures that only the sender and recipient can decrypt the content, with Google having no access to the unencrypted data. Administrators for Google Workspace Enterprise Plus accounts, equipped with the Assured Controls or Assured Controls Plus addon, must enable the feature in the admin console for it to activate on mobile devices. Once enabled, users tap a lock icon while composing an email and select the additional encryption option to secure the message.

For recipients using the Gmail app, encrypted emails arrive and display as standard threads, allowing seamless reading and replying. Those on other services, such as Outlook, receive a secure link to a restricted web version of Gmail, where they can...