Connect with people in your organization, or with friends who have a Skype account.
Once you find a person, add them to your Contacts list for quick access.
Set up a group for each team you work with so you quickly can see who's available, or communicate with the entire team at once.
Use instant messaging (IM) to touch base with your contacts right away.
From the main Skype for Business window, drag a contact picture onto the IM window.
If you have several conversations or meetings going on at the same time, Skype for Business displays them all in one place, so you can toggle between them.
Select a tab on the left to view an IM conversation.
If you use Outlook and Exchange, Skype for Business automatically saves your IM conversation history. To view or continue a previous IM conversation or see an IM request you missed:
Presence is automatically set based on your Outlook calendar but you can change it
temporarily if you want to. Presence status is a quick way for other people to see
whether or not you're free to chat. Here are the presence settings you can change:
Skype for Business is for connecting with a co-worker or business associate.
Skype is for connecting with your grandma, or chatting with friends while gaming.