I have a question for you!!! How long did you have AE store card when offered VISA upgrade?? And was your AE store CL when offered upgrade?? Call the backdoor number!!
What is the reason the letter says for the denial?
Not enough experience with the current limit?
You have to have the score as well above 710 for better results
And you have to keep calling once a month
P.S If they tell you high utl,is the key on the increase