If you're working on a group project, here is how you can collaborate and chat with authors in Microsoft Word. Here are the steps outlined in the video: 1) Select a co-author 2) Select Join Group Chat, 3) Chat inside Word.
For more info on this feature, check out this article: https://support.office.com/en-us/article/enhance-collaboration-with-chat-in-microsoft-office-1ecc6c7f-0b02-4baa-b9d9-c9d67023bedd?ui=en-US&rs=en-US&ad=US