[header] How to find online skype users [title] Look for contacts with a green checkmark. [step] When you log in to your skype account, contacts that are currently online and available will have a green checkmark next to their username in the contacts list. Windows versions of skype typically default to showing all your contacts upon login. 
Find the list along the left side of the skype window, in a sidebar, with your online contacts automatically at the top of this list. [substeps] On skype for mac, your view upon login depends on the screen you were showing when you last logged out.