How do I download an electronic signature on donation receipts on QuickBooks online ?

Hi there, 

Thanks for joining the Community. QuickBooks is a flexible program that helps you streamline your accounting with ease. I'll be happy to steer you in the right direction so you can get back to doing what you enjoy. 

The function you've described above isn't available in QuickBooks. You're more than welcome to send feature requests by clicking on the Gear icon and looking for Feedback. New product ideas and improvements are largely based on the feedback we get from users like you. 

Let me know if you have other questions by leaving a comment below. I'll be one message away.