Installation

• Why is Yahoo! Messenger 5.5/5.6 shutting down?
• How do I reinstall Yahoo! Messenger?
• How can I create a shortcut for Yahoo! Messenger?
• Where can I find the latest version of Yahoo! Messenger to download?
• How do I configure my firewall/proxy server?
• Yahoo! Messenger crashes when I launch it.
• Why do I receive an error when running Yahoo! Messenger?
• How do I get the old Messenger sounds back? I want 'em!

Sign In

• How do I sign in to Yahoo! Messenger?
• How can I sign in invisibly or so people can't see I'm online?
• How can I change my password?
• How can I set up Yahoo! Messenger to start automatically?
• How do I sign out of or exit Yahoo! Messenger?
• How do I configure Yahoo! Messenger to prompt for a password?
• How do I sign in with a different Yahoo! Messenger ID?
• Why can't I connect with Yahoo! Messenger?
• Is my “Use Proxies – Enable HTTP Proxy” setting the reason why I can’t sign into the Yahoo! Messenger Beta?
• Why I am receiving the account locked or invalid cookies error?

Instant Messaging

• What are instant messages?
• Can I change the size of the display image in the conversation window?
• Can I send messages to people who are offline?
• How do I show the time when somebody sent a message?
• Why aren't my emoticons working?
• How do I share files with a friend?
• What's a contact card?
• How do I copy my message archive?
• How can I change the size of the Yahoo! Messenger window?
• How do I transfer files to another user?
• What is the buzz feature?
• How can I edit my contact details?
• How do I send an IM?
• How do I send an IM to more than one person?
• How can I tell when a message was sent?
• How do I skip a line without sending the message?
• How do I enable and view archives?
• Can I look at my old messages?
• How do I delete archives?
• How do I save an IM conversation to a text file?
• How do I ignore someone?
• How do I share photos?
• What are emoticons?

IM with Windows Live Messenger Users

• How do I get the version of Yahoo! Messenger that lets me IM with Windows Live™ Messenger users?
• How do I have an IM conversation with a Windows Live™ Messenger user?
• What features work when I IM with a Windows Live™ Messenger friend?
• How can a Windows Live™ user add me to their contact list?
• A Windows Live™ user has added me to their contact list. How do I start IMing with this user?
• Why am I seeing '(E-mail Address Not Verified)' at the end of an Add to Messenger List Request from a Windows Live Messenger user?