WhatsApp End-to-End Encrypted Backups: How It Works and How to Enable It

What Is End-to-End Encryption in WhatsApp

• WhatsApp protects user communication through its implementation of end-to-end encryption. The system maintains message confidentiality between the sender and receiver.
• WhatsApp converts user messages into encrypted code when users send messages. The recipient can only read the message after it arrives at their device. The content remains inaccessible to WhatsApp.
• The process relies on a 64-digit encryption key for its operation. The key exists only on the sender’s and receiver’s devices. If someone tries to intercept the data, the content appears unreadable.

Encryption for Chat Backups

WhatsApp now extends end-to-end encryption to chat backups. This feature protects data stored on cloud services like Google Drive and iCloud.

The encrypted backups consist of:

• Text messages
• Media files
• Voice messages
• Video call data
• Chat history

Users can secure backups with:

• A custom password, or
• A 64-digit encryption key

Most users who need this feature do not enable it despite its ability to provide additional security.

How to Enable Encrypted Backup on Android

Follow these steps to activate the feature on Android devices:

• Open WhatsApp
• Go to Settings
• Tap on Chats
• Select Chat Backup
• Tap End-to-End Encrypted Backup
• Select Turn On
• Choose Create a Passkey

Follow the on-screen instructions

The encrypted backup process will start after setup.

Optional:

• Tap More Options to use a 64-digit encryption key instead of a password How to Enable Encrypted Backup on iOS

Follow these steps for iPhone devices:

• Open WhatsApp
• Go to your Profile
• Open Settings
• Tap Chats
• Select Chat Backup
• Tap Back Up Now
• Select End-to-End Encrypted Backup
• Toggle Turn On
• Create a passkey by following the instructions