After you have archived a review template, you can always unarchive it to make it active for use!
To restore an archived template, follow these steps:
Step 1: Click on the "Admin" panel found in the top navigation bar
Step 2: Click on "Reviews" found in the left Administration panel
Step 3: Click on "Templates"
Step 4: Click the "Archived" tab next to "Active"
Step 5: Find the template you would like to unarchive and click on the ellipsis next to its name
Step 6: From the dropdown, click "Restore"
Step 7: To confirm, click "Restore" from the pop-up