Notes about the CHATLOG file extension:
Incorrect file associations could be the result of underlying issues within your PC system. As such it is highly recommended to scan your PC for invalid registry entries, unused processes and other unfavourable system settings to identify slowdown issues.
The CHATLOG file type is primarily associated with 'Adium' by Adium Team. Adium is a free instant messaging application for Mac OS X that can connect to AIM, MSN, Jabber, Yahoo, and more. This file is viewed in the Chat Transcript Viewer in Adium.