Keyboard shortcuts

Click (on an offer) : Invite or trade with a player (depends the situation)
Ctrl + Shift + Click (on an offer) : Send the Are you still interested? whisper
Ctrl + Click (on an offer) : Send the Sold whisper
Alt + Click (on an offer) : Highlight the item in your stash (you need to first open your stash and select the relevant tab)
Shift + Click (on an offer) : To open the chat, ready to whisper the player
F4 : Open the search bar to find an outgoing offer
F3 : Show / Hide the overlay
F6 : Save clip

Provide feedback