Hello there, @FLPS.
I understand how significant it is for you to get this fixed quickly.
Having it checked here in our system, I've found that there's still an ongoing investigation about attaching files to invoices (INV-85029).
Rest assured that our product engineers are working diligently to provide a permanent fix for you to get back to business.
If you haven't, I'd recommend contacting our QuickBooks support team to add you to the list of affected users and be informed promptly once it is resolved.
Here's how:
- Log in to your QuickBooks Desktop (QBDT) company.
- Look for the Help button at the top right corner.
- Choose Contact Us.
- Enter a brief description of your issue, then select Continue.
- Now, sign in to your Intuit account, choose Continue, and then Continue with my account.
- You'll receive an email from us using a single code. Enter your code and click Continue.
- From there, choose either chat with us or Have us call you.
Furthermore, I've added some resources below for you to have some insights on what to do if you see error messages using QuickBooks Email in QuickBooks Desktop:
If you still need further assistance, don't hesitate to reach out again. The Community is always here to lend a hand. Stay safe, and have a good one.
