First, you need to Sign-out and close Skype. In this example, we will delete the username kk-langenfeld-sued.de from the username choices in the login window or sign- in. When you close your Skype account, the associated Microsoft account is also closed, and you won't be able How do I delete my Skype conversation history?. (If you're just looking to close your account, go straight to how do I close my Skype account.) Press the Windows and R keys on your keyboard at the same time. I cannot find a way to do this although one web site suggest cancelling my Microsoft accounts we have 2 and start. Launch your Skype application. If you have any remaining credits or subscriptions, you can request a refund from Skype. I'm looking for a way to clear the login name history on my Skype Windows 7. Ask a question Windows Software Mac Software Linux Software Android Apps BlackBerry Apps iPhone Apps Windows Phone Apps.