Function: If you have list of participants in hand, you can upload all the users easily via a spreadsheet. We can help you set it up. Step 1: Assemble your list of users on a spread sheet, filling in the key fields in the order given. Note: The blog field = email address. Step 2: Save spread sheet as in a Windows CSV (common separated values) format. Choose the file wherever you saved it on your computer >> Click on Add File to upload.