In OWA
- Click on your name in the top right corner of the browser window.
- Click on the arrow beside the presence indicator and choose one of the available options.
On the Windows desktop app
- In the main Skype window, click on the arrow beside the presence indicator and choose one of the available options.
On the Mac desktop app
- In the main Skype window, click on your account icon, then in the window that pops up, click the arrow beside the presence indicator and choose one of the available options.