How to find out if you can export environment by project in EngageOne Content Author

Product Feature: Administration Client
The User has multiple projects but would like to export environment by project so the Designer only see variables by project.
You cannot export and environment file by project.

Here is what the documentation states concerning this.  You may want to use a naming convention to identify what objects belong to what project.

Content Author Admin Guide
     Interfacing with DOC1 applications
          Creating resources for DOC1 Designer

The names and properties of the available message areas, data fields and signals, along with related project information, are passed to the DOC1 Designer in a Content Author environment file. Such files are created on demand by an administrator and automatically include references to ALL message areas, data field and signal objects in the Content Author repository.
UPDATED:  November 7, 2017