Using CryptPad contacts makes collaboration more secure and simple.
There are two ways to add a contact:
To access your contacts, go to the user menu -> Contacts. All of them are listed at the left.
For each contact, you can:
To chat with someone on your Contact list, just click on their username and the chat will open in the main window.
You can also load or delete the chat history (if any) with the options at the right of the main window chat.