Multiple Vacation Days: To set a series of vacation days can be selected within the Vacation Calendar, click and drag the cursor through multiple days, then hold the control key on the keyboard while clicking on the final date to access the context menu. Select the User for whom the vacation is to be set. The dates will appear with the User's name listed:
Blackout Days: Blackout days can be made within the Vacation Calendar to notate vacation restrictions. To mark a date as a Blackout day, hold the control key on the keyboard while clicking on the date within the Vacation Calendar. From the resulting menu, select Blackout Date. The Date will appear with a red "x":
Show All Users: The number of User's displayed on a date is limited. The Show All Users item within the contextual menu displays each name of a User with a Vacation day in a popover window.