The Entity Relationship Matrix is a matrix of the selected entities' relationship to other entities through a single relationship.

Steps to download the Entity Relationship Matrix
Step 1: Select Entity Relationship Matrix from reports drop-down.

Step 2: Select Options to Include.

Step 3: Select relationship.

Step 4: (Optional) Select a relationship Attribute.

Step 5: (Optional) Enter a name for the report output file.

Step 6: Click 'Create'.
The file should begin downloading. Please note that depending on the size of your project, this can take a few moments. The output should look similar to this:
