document updated 9 years ago, on Feb 9, 2015
To keep a long-term copy of IM messages:
- go to https://www.facebook.com/messages/
- scroll back as far as you need to (you can go back quite a ways, though it may take a little time to wait on the browser
- select with your mouse, or with Ctrl-A, and copy-n-paste into a plain-text editor
- use this script to fix some of the formatting problems