I’m glad you joined the Community. I can share some information about alphabetizing items entered on a sales and purchase orders in QuickBooks Desktop (QBDT).
Currently, there's no way that you can alphabetize the items entered on orders in QBDT. What you can do for now is manually select these items to set them in the right order.
I can see how the ability to alphabetize the items with just a click of a button could be helpful to you and your business. I encourage you to submit feedback, which is sent to the Product Developers when considering new options and features to be included in updates.
QuickBooks Desktop is a program that's constantly evolving based largely on feedback provided by users. You can submit this request from within QuickBooks by going to the Help menu at the top and selecting Send Feedback Online. I'm going to submit this request on my side as well.
We’d love to hear from you. Please know that I'm only a post away if I can be of additional assistance. Take care and enjoy the rest of the week.