If your vendor is also a QuickBooks Online (QBO) user, you can achieve this feat usingthe QuickBooks Business Network feature. However, please be aware that this option may not be available in all accounts but is included inside Simple Start, Essentials, Plus, and Advanced subscriptions. Also, you'll want to review your current business contact details before utilizing this option. We'll gladly write down the steps to get you going:
In case your vendor doesn't use QBO, you may want to send feature recommendation to our Product Development Team so they can evaluate your idea and consider for future program updates. You can check this page for more details: How do I submit feedback?
Moreover, here are some articles to help you keep track of transactions inside the program and help you manage vendors:
You can sign up for a free Melio account to integrate with QBO. You will have a unique and dedicated Pay Bills email ends with @invoicesmelio.com. Then you can ask your vendors to send their invoices to that email address.
What do you mean with "Quickbooks provided email"?
You can use a free solution to let your vendors/contractors send their invoices with an attachment to one email address and it will integrate it with your QB Online account.