If you have "Archived" a trainee, follow these steps to unarchive or "Reactivate" them.
1. Visit the Users page from the left navigation pane
2. Next to the search box, click Advanced Filters (or Filters may be shown if you already have some filters enabled)
3. The Advanced Filter will appear. Under Status Select "Archived" and then click search.
4. A list of all Archived trainees will appear.
5. Click on the Archived trainee and click reactivate.