Apply to all mediums: When this box is checked it will log the same windows for each medium. If it is unchecked, you can change the medium and then change the "Automatically Log" section for each individual medium to log different things for different mediums
Location
Folder: The location where the log files will be stored.
Create folder based on chat service: Creates individual folders within the log folder for each chat service (AIM, ICQ, MSN, Yahoo, etc.). This can make it easier to search.
Viewer
Use the default association for .log: Uses Windows default viewer for log files
Program: Select a program to use when viewing logs
Miscellaneous
Auto show history within new message windows: Shows recent history in the message window when you close and reopen a chat window to the same person.
Size of buffer to show: Sets the ammount of data that is shown in the chat window
4. 
4.1. 
