You can use Skype from Office 365 on the Web ( ) for IM or scheduling meetings from your calendar. Faculty and Staff members will automatically have call-in telephone numbers added to any scheduled Skype meetings. It is built on a different platform and allows much larger meetings - up to 250 people. Skype for Business is a different product than consumer Skype. Skype for Business will be retired on July 31, 2021.