You've got me here to share additional insights about emailing invoices by bulk using QuickBooks Desktop (QBDT) with enabled multicurrency, @mmcguire85.

I hear you, and I can see the benefit of being able to email your invoices in bulk for you and your business. You may follow what Ryan_M and Fiat Lux - ASIA suggested above as an alternative. Then, I encourage you to send feedback or product suggestions.

Your valuable feedback will be forwarded and reviewed by our Product Development team to help improve your experience while using the program. Here's how:

1. Go to the Help menu.
2. Choose  Send Feedback Online.
3. Click on Product Suggestion.
4. Click on the drop-down for Type of Feedback and select Product Suggestion.
5. Select the Product Area.
6. Then enter your thoughts and suggestions.
7. Once done, select Send Feedback.

I've attached screenshots below for your reference.

Also, I'm adding this article to further guide you in managing your business growth and income transactions in QBDT: QuickBooks Help Articles for Sales and Customers. It also includes related articles about emailing sales forms and refunding transactions, to name a few.

I'm all ears if you have other questions about emailing and importing invoices in QBDT. Just reply here or create a new thread. I'll be right there with you. Take care always.