If you are looking for past conversations from when the service was still official:
To use Messenger today, you must use a third-party server like Escargot , which emulates the original Microsoft servers. Download Msn Messenger 10 For Windows 7
Official support for MSN Messenger (later Windows Live Messenger) has ended, but you can still run classic versions on Windows 7 through community-run revival services. Current Status of MSN Messenger If you are looking for past conversations from