- Introducing Yahoo! Messenger
- Using Instant Messaging
- Personalizing Your IM Conversations
- Using IMVironments
- Showing Your Personality With Display Images
Contact Management
- Working With the Messenger List
- Adding Contacts to Your Messenger List
- Inviting Friends to Use Messenger
- Working With Contact Information
- Sharing Messenger Lists
- Working With Groups
- Using Your Yahoo! Address Book From Messenger
Calling Features
- Introducing Yahoo! Messenger's Call Features
- Using PC-to-PC Calling
- Using Open Talk
- Using Yahoo! Phone Out
- Using Yahoo! Phone In
- Working With Voice Messaging & Call History
Sharing Files and Photos
Advanced Messenger Features
Ask Other Messenger Users