Navigate to your Downloads folder and find the .CSV file.
Open the .CSV file with a spreadsheet application.
Enter the users' first names.
Enter the users' last names.
Enter the users' email addresses.
Save the .CSV file and select
Use Text CSV Format if it prompts you.
Upload your .CSV file.
You will receive a message that looks like this to indicate that it is uploading successfully:
After it is done uploading, verify your imported users.