Step 1.)
Login to your Panopto Server, and go to the main web interface.
Step 2.)
Click on "System"

Step 3.)
Click on "Users"

Step 4.)
Click on "New" under the Users tab

Step 5.)
Click "Batch Create" in the Create User popup window.

Step 6.)
Choose a folder which the added users will have access to.

Step 7.)
Enter a list of usernames and email pairs with the username and email separated with a comma and whitespace.

Then click "Verify" under the username entry field.
Step 8.)
Review the intended username / email pairs, and click "Create Users"

You can verify that the users have been created by going to your users list under system in the sidebar.
Congratulations! You now know how to batch create users at once!