To add descriptions to multiple work assignments at once you simply hold down the shift key while clicking each of the work assignments you want the same description on.


1. Click on the Work Tab of the schedule 



2.  Hold down the shift key and click on all the work assignments you want to have the same description.  They will all appear with a pink highlight box around them.



3.  Click on the Edit Description button and add the description to the dialogue box that opens



4.  Click enter or click on the check mark of the dialogue box to save the description.  Now all work assignments chosen will have the description below their names.