Here is a comprehensive list of all Yahoo Messenger keyboard shortcuts for Windows. Windows Key + Y – Focus on Yahoo Messenger, even if Yahoo Messenger it’s in system tray Ctrl + G – Buzzes your friend Ctrl + H – Show or Hide offline contacts Ctrl + Shift + P – Open preferences window Ctrl + T – Send a Text message Ctrl + M – Send an Instant message Ctrl + Y – Send an email message Ctrl + Shift + A – Add a contact Ctrl + Shift + 0,1 or 2 – Switches between different messaging formats in Yahoo Messenger 9 Esc key – Closes a active message window Ctrl + D – Sign out of Yahoo Messenger Ctrl + Shift + D – Sign out of Yahoo Messenger client and sign in to your mobile device Ctrl + Shift + F8 – Change your display Image Ctrl + Shift + R – Request contact details in a active chat window Ctrl + Shift + C – Send you contact info in a active chat window Ctrl + Shift + M – Send you messenger friend list in a active chat window For Voice service: Alt + A = Account Webpage Alt + C = Call Menu Alt + D = Contact Details Alt + Shift + L = End Call Alt + E = End Call Alt + H = Hold Alt + R = Resume Ctrl + L = Call PC Alt + L = Call Back Alt + M = Toggle Mute Alt + S = Save to Address Book Ctrl + K = Make a Phone Call Ctrl + N = Start a Conversation Alt + V = Adjust Volume Messaging Window Editor Shortcut Keys: Ctrl + B – Toggle bold, or convert selected text to bold Ctrl + I – Toggle italic, or convert selected text to italic Ctrl + U – Toggle underline, or convert selected text to underline Related : Hidden smileys of Yahoo messenger