Do i have to use a google email?

Subscribers of DataDive are required to sign up to Google services, either with a gsuite/gmail account, or you can add your own non google account.

Google allows you to sign up to Google services with your non-Google account.

You can use your current eg microsoft account with DataDive, this article will let you know how to sign up to Google with your current email address: https://support.google.com/accounts/answer/176347.

If you are adding multiple users to your DataDive account you have 2 options to consider:

1. Add your users to the DataDive subscription AND tell them to also link their non-google email to Google on their own. 
2. Add an alternative @gmail accounts from their users
    

To keep everything under your existing accounts, I'd recommend users to link their accounts to Google (by creating a new account and clicking 'Use my current email address instead' ), which shouldn't take more than a few mins.