To see all sent invitations

Open the Portal group (in Settings / Users / Groups). You will see also last connection dates of everyone.

To display which customers has signup

You need to create filters in Customers list. Just select :

• Email  is set

• Signup token is not set

• eCommerce users may need to select Contacts is not set (it will select only those without a different shipping address)

Note that It will also display new customers which didn't yet received portal invitation.

To select only those who don't signup, create a filter like this:

• Email is set

• Signup token is set

To delete pending invitations

• Connect as Administrator

• Go to Settings / Dashboard, under active users one can see a partial list of pending invitations
  

• Click on More

• Select everything

• Delete