How do I invite external contacts to chat in Microsoft Lync?

1.  Launch Microsoft Lync and sign in.

2.  Click the Option menu and click Meet Now.

 

3.  A window will appear similar to the one below. Select your preferred audio option and press OK.

4.  Click the People Options menu and click on Invite by Email.

5.  A window similar to the one below will appear. Send the link to the desired contact(s).