End-To-End Encrypted Chat Follow


End-To-End encrypted messaging will securely send chat messages between Zoom users. Encrypted messaging encrypts all chat messages using TLS 1.2 with Advanced Encryption Standard (AES) 256-bit algorithm. 

If End-to-End Encrypted chat is enabled, users can still send files, pictures, emojis and screenshots. However, they will not be able to use the integrated GIPHY library. It is not possible to edit sent messages if End-to-End encryption is being used. 


  • Zoom PC or Mac Version 4.1.8826.0925 or higher
  • iOS Version 4.1.8855.0925 or higher
  • Android Version 4.1.8860.0925 or higher

Older versions, PC or Mac version 3.5.37712.0111 or higher, iOS version 3.5.37749.0111 or higher, and Android version 3.5. 37712.0111 support End-to-End encrypted chats, but will not have full functionality. 


To Enable End-to-End Encryption

  1. Login to IM Management. 
  2. Click on the IM settings tab.
  3. Click Edit on the right side.
  4. Check Enable end-to-end chat encryption
  5. Click Save Changes.

Chats will display a lock in the text box. 


If a user receives an encrypted chat message, it will not display the text until they open Zoom. Notifications will display a message that they have received an encrypted chat.

On Desktop:

On Mobile:


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