When changing any details of your customers, it'll always revert back to the original page display after saving the information.
Instead, you can consider entering the name of your customers in the Search field and perform some changes on the profile. Doing so, the page will easily show you the customer you need to do some changes without having to scroll down the page again.
Lastly, I've got you this helpful article for ideas about how you can organize the list of your customers by merging or removing some duplicate names: Manage your customer list.
If you have any other questions, please do comment below or post again. I'll be here to lend a hand.
Need QuickBooks guidance?
Log in to access expert advice and community support instantly.