Powertools for Google Drive will need access to your Google account
This will allow Powertools for Google Drive to :
See, edit, create, and delete all of your Google Drive files
Manage drafts and send emails
View domains related to your customers
View groups on your domain
See info about users on your domain
Associate you with your personal info on Google
See your primary Google Account email address
See your personal info, including any personal info you've made publicly available
View the activity history of your Google apps