Hi davidstelmaschuk,
Thanks for reaching out to us here. Welcome! It's essential that you're able to email your estimates from QuickBooks Online without any discrepancies. The issue you're experiencing has been reported by other customers. In this situation I encourage you to contact our Customer Care team at 1-855-253-1536 from Monday to Friday between the hours of 9 AM and 8 PM EST. They'll be able to look into your situation in more depth and escalate it for further investigation if necessary.
If you have any other questions, feel free to reach back out. We would be happy to help!