Here's how to add the logo on sales forms:

1. Select the Gear icon on the Toolbar.
2. To upload a logo to a new template, select the New Style button and choose Invoice, Sales Receipt or Estimate.
   NOTE: If you are updating the logo on an existing template, locate the desired template and select Edit.
3. From the Design tab, select Make logo edits.
4. Select the + sign to open the Logo gallery.
5. Select + then locate and open the file.
6. Choose your desired logo then Save.

Customize how the logo appears on sales forms

Here's how to customize how the logo appears on sales forms:

1. Select the Gear icon on the Toolbar.
2. Under Your Company, select Custom Form Styles.
3. Find the form you wish to customize and select Edit in the Action column.
4. Under the Design tab, select Make logo edits.
5. Select Show logo.
6. Select your desired logo size and placement.
7. Select Done.

You can adjust the alignment (left, right, or middle) and size (small, medium or large) of your logo, but not the height and width since they are fixed.

Remove the logo from sales forms

Here's how to remove the logo from sales forms:

1. Select the Gear icon on the Toolbar.
2. Under Your Company, select Custom Form Styles.
3. On the form, you wish to customize, select Edit.
4. Under the Design tab, select Make logo edits, then Hide logo.
5. Select Done.

https://quickbooks.intuit.com/community/Income-and-expenses/How-to-add-customize-and-troubleshoot-lo...