You can edit your Shopify orders by using the Quick Edit functionality of Simple Invoice.

All text fields are inline editable and you can apply changes according to your needs. You can send, download or print the edited invoices from the Quick Edit window.

All changes you make with Quick Edit functionality will be temporary. If you want to make permanant changes, you must make changes in your Shopify Store Admin. 

Please follow the simple steps below.

Step 1: Open Simple Invoice from your Shopify store’s “Apps” section.

Step 2: Click on the order you wish to make changes.

You can also access the Quick Edit screen from your Shopify Store Admin’s Orders section.

Select the order you wish to edit, click on the More Actions button, and select the Edit with Simplio option.

You can access this feature from the Order Detail page as well.

Step 3: All text fields are inline editable. After making the necessary changes, you can print, download and send by using the Actions button from the Quick Edit Screen.