Presto Transfer AIM helps transfer your AIM IM archives (conversations) and settings from one computer to another.

Presto Transfer PowerPoint helps transfer your PowerPoint Presentations from one computer to another.

Presto Transfer Safari helps transfer your Safari bookmarks and settings from one computer to another.

Presto Transfer Miranda IM helps transfer your Miranda message history, accounts and settings from one computer to another.

Presto Transfer Google Desktop helps transfer your Google Desktop search index and gadgets from one computer to another.

Presto Transfer Office helps transfer your Word, Excel, Outlook, PowerPoint and Access files from one computer to another.

Presto Transfer Windows Media Player helps transfer your Windows Media Player libraries, skins and visualizations from one computer to another.

Presto Transfer Firefox and Thunderbird helps transfer your bookmarks, mail, address book and settings from one computer to another.

Presto Transfer IE and Outlook Express helps transfer your favorites, mail and address book from one computer to another.

If you have tried the program A-Patch for Windows Live Messenger, then you are probably looking for something similar for Yahoo Messenger.