If you are using an android or apple device go google play or the app store and download the Microsoft outlook app,
Once the app is downloaded and you have signed in you can begin to see your calendar by clicking the date on the task bar.
You can change the view of your calendar by pressing the square next to the plus sign.
You can add a new appointment to your calendar by pressing the plus sign, you can add people and location. When you are done setting up your meeting remember to push the check mark and your meeting will be set up.