ICQ and Trillian would save your chat history if you put something in the settings. I don't think AIM did, but I was able to export them individually, I think.

ICQ and Trillian would save your chat history if you put something in the settings. I don't think AIM did, but I was able to export them individually, I think. I still have a decent amount of my chat log history from back then because of it. I have a lot more of it from back then than I do now that it's all done within hangouts/facebook.