You can use the Conversations tab to quickly view and manage all of your conversation windows, whether they are instant messages, phone or video calls. If you want to view multiple conversation windows on your screen at the same time, you can pop out, pop in and gather conversation windows.
Pop Out Conversations
To pop out a conversation, hover over it in the conversations list:
Or click the pop out icon in the upper right corner of the conversation window:
Pop In Conversations
To pop a conversation back into the main app, click a pop in icon in the Conversations list or in the conversation window.
If you have multiple conversation windows popped out at the same time, click the Gather button in the Conversations tab to pop in all of your windows at once.