My sister has been receiving credit charges for abode for many years but does not have the account or email to cancel the subscription, what is the best process for her to cancel. Thank you for your help.

My sister has been receiving credit charges for Abode for many years but does not have the account or email to cancel the subscription, what is the best process for her to cancel. We have used the find my payment option in Adobe and that didn’t work either. After any ideas? Thank you for your help.