I have discovered through reading other posts about this that the new update for QB online removed the option to email the attachment. The only attachment it will email is the actual invoice copy. I can't even find a way to view the attachment that I upload throught the customer's viewpoint. So even if they click through to view their invoice online, the attachment doesn't appear for them. Only for us as the creator of the invoice. I've spent hours trying to find a solution. Most comments from QB help doesn't address that this was removed intentionally in the "new experience". Please send feedback to QB to put this option back. Plus fix all of the glitches. They changed many of my settings also. I'm having to go back and reset a lot. Also... I really liked the look of the old invoice template page. I do not see the need in recreating the wheel.