Learn how to use Calendars in Outlook
Description: Watch these videos to get familiar with the calendar in Outlook 2013. You can keep things simple, or use Outlook to manage complex meetings and schedules.
Open Outlook and go to the Calendar tab.
Click where you want to add the appointment on your calendar, and on the ribbon, click Home then New Appointment. Alternatively double click in the time slot you want.
Then a screen will open up with different options to select.
Now you can invite people to your meeting by clicking on the Invite Attendees button and a window will open up similar to what you get with an email and from here you can invite people to your meeting.
The link below shows a video of these steps plus more.
Link: https://support.office.com/en-us/article/Calendar-basics-ff69e5c9-3412-4e12-8b10-4943e17b156b?ui=en-US&rs=en-US&ad=US