I need to change my email address from my personal to my business account.

Congrats on your first post, @jacquelineramire.

I'll be happy to show you how to change email address in QuickBooks Self-Employed (QBSE).

Here's how:

1. Click the Gear icon at the top. 
2. Select Intuit Account. 
3. In the left menu, pick Sign In & Security. 
4. Go to the Email address section and hit Edit link. 
5. Enter Email address. 
6. Once done, Save it. 

For your visual guidance, see screenshots below:

Additionally, I want to ensure that you get the most out of QuickBooks for your business. You can check some articles that are designed to help you get acclimated with the software. They can be accessed at the following link: QuickBooks Tutorials.

I want to ensure that this is taken care of, so if you have any questions let me know. Have a great day!