Unfortunately, it is not possible to delete a Skype account in its entirety. However, if you are no longer interested in using your account, you may remove all of your personal information from the Skype database, making it impossible for other users to find your account.
If you don't want other users to search for you in Skype directory, you must first remove all the personal information you provided when creating your profile. This information includes your name, gender, date of birth, email address, phone number, and location.
Sign in to your Skype account, and click on your username in the menu bar. Click on Manage. Your browser will open and direct you to your profile page:
Go to the Personal Information section and click on Edit.
You may now clear your profile of you personal details.
Modify Your Skype Avatar
The next step is to "delete" your personal avatar. Note that it is not actually possible to delete your avatar, but you do have the option of changing it to something more general.
Log in to Skype and select Skype > Profile > Avatar.
You may now select your new image.
Delete Your Account from the Login Screen
To delete your account from the login screen, close Skype, and click on your computer's Start menu.
Type Run and press Enter. Then type
and click on OK.
Delete the folder with the name of your Skype account.