I appreciate your feedback about adding another email address for different invoice templates, @embersllc.

Currently, we’re unable to provide you with when the feature will be available in QuickBooks Online (QBO). Every request is subject to review by our product developers. Thus, depending on the number of requests made by the consumers.

Moreover, you’ll want to frequently check this website to get insights about the feature you’re requesting: Firm of the Future

Let me know if there’s anything else that I can assist you with. The Community always got you. Have a good one!