There are two ways to access your Hangout message history. Because we're nice, we'll show you how to access your history both ways!
Method #1Open a +Gmail tab. The first method simply involves going to the left pane of your inbox and click the "More labels" link. From there, you'll see a label called "Chats":
Method #2The other method involves going to the search bar at the top and clicking the gray arrow to "Show search options" and selecting "Chats" from the drop-down menu:
Friendly reminder: This can't be done if you have the Hangout's conversation history turned off!
How many other cool features are hidden in between the Google platforms? Have a tip you'd like to share? Be sure to put them in the comments below!