This window allows you to setup the destination options for the units at your site, including emailing and printing of bills and notices.
To get to this window go to Destinations Setup by going to Settings -> Destinations. 
You will then see a screen that looks similar to this: 
This window allows you to setup tenants to have bill & notices either set to print or email when created, or have them set to do both. In this window you can choose a filter to set all units per that filter or go through individually and set specific tenants.
Setting By Filter
To set all units by a specified filter use the the drop down menu on the upper left of this window. You may choose All, Vacant, or Occupied. Once you have selected the filter, click on the Set/Unset button at the top of the column you wish to work with.
Setting By Individual
Setting individual units for one or more of the options is a simple process. Find the unit you wish to modify, and then click on the checkbox within the column you want to set or unset.
Once you have finished with this click on the OK button to save the changes and exit.