End-to-end encryption
What end-to-end encryption on Messenger means and how it works
Start end-to-end encrypted chats or calls in Messenger
What you can send in end-to-end encrypted chats on Messenger
Report end-to-end encrypted chats on Messenger
Check your keys on Messenger
Use multiple devices for end-to-end encrypted chats on Messenger
Remove a device from an end-to-end encrypted chat on Messenger
Why you're seeing more than one Messenger conversation with the same person
See logged in devices for end-to-end encrypted chats
