Log into Blackboard Learn as an administrator

Verify Portfolios are enabled

Create a user

Log in as the user

Create a Portfolio

Within the Portfolio create some content and attach files

Share the Portfolio - in order to create a snapshot

Log in as the administrator

Create a new Data Source

Move the created user into the new Data Source

Disable the user - this is required in order to be able to purge by Data Source

Navigate to the Data Source > select Purge

Navigate to Orphaned content by User and select Recheck Content

Allowing time for the Recheck Content process to complete, revisit Orphaned Content by User