Ok so my mom has about 500 contact for her mini home job, but the problm is that she can'T send an email to more then like 50 people at a time.

So what i wanna do exemple is create groups and assign contacts to it

exemple Group 1 assign 50 contact to it group 2 50 other etc.

And then when she send the email in the TO : field she can just write Group 1

Now i tried to go in contact and create new group but it doesn't let me assign contacts to it.

What can i do?