How to edit donation receipt and templates.

the memo field provided by QB is for internal use

in customize data layout on the footer tab, use an Other 1 or 2 field, retitle it, and set it to print or show on screen (or create a custom field and use that.

You do't need a specific Field for freeform text; you can type that into the line with the donation item, or Enter Key to force that to a new line, or just use the next blank line for notational purposes.

How can a change the wording on the  Donation Receipt for "Sales" to "Donation"?

Your suggestion to customize the donation receipt template in QuickBooks Desktop is great, @kat81. 

This functionality is currently unavailable in QBDT. Therefore, I advise providing us with feedback. This notifies our product engineer that you want the ability to change the sales receipt format. Here's how you can do it:

1. Open the Help menu and choose Send Feedback Online.
2. Select Product Suggestion.
3. Pick a feedback type and product area on the QuickBooks Feedback window.
4. Fill in your suggestion or feedback, name, and email address (As needed).
5. Click on Send Feedback Online.

Kindly keep an eye out for an email notification regarding any updates. 

Additionally, read this article that you find helpful when handling customer transactions in QuickBooks: Get started with customer transaction workflows in QuickBooks Desktop.

You can always reach us back if you have other concerns regarding sales forms or QuickBooks in general. We'll make sure to respond as soon as we can. Take care of yourself always!