Sign in to Curriculum & Instruction with your admin account.
From the Admin menu, choose Organization Settings.
Navigate to the Users page.
To send invites to multiple users:
Select the users you want to send the emails to.
Choose Resend Invite.
On the Send Invites dialog, choose Send Invites.
To send to one user, choose Resend Invitation for the user.
Only users who have not activated their accounts will receive invitation emails.