This quick tip will show you how to easily sort your contact list in the Skype mobile app. Similar to its desktop version, the mobile application offers four settings to help you manage your contacts.
How To Manage Your Skype Contact List
Open the Skype app and go to the People tab. Tap on small arrow displayed at the top-left corner of your contact to reveal contextual menu options, such as All, Skype, Available, and New List:
Tap on Available to check who's available (online contacts) for a chat or video call.
Tap on All to display both your Skype and Microsoft contacts.
Tap on Skype to display your Skype contacts only.
The New List option will enable you to organize your contacts into categories (Work, Family, Friends…).