You may chat with freelancers via the following means:
Projects open for bidding. On the project page, click the Chat button next to the bid of the freelancer that you wish to initiate a conversation with.
In-Progress projects. Click the Open Chat button beside your freelancer’s card on the top part of the project page. Chat is equipped with text, audio, and video call functions to facilitate a smooth communication process.
Users you have previously worked with are automatically added to your contact list. Click the name of the user you wish to chat with.
All message threads are kept in the Inbox. Click the icon on your Contacts list to open it. You may also mouse over the chat bubble icon at the header part of your account, and click See All Messages.