Here is a YouTube video called How to Display All the Attachments in a Particular Gmail Email Thread.

Are you working with Gmail and wondering how you can see all of the attachments in a particular thread. Sometimes there will be several attachments scattered throughout the thread of the email. There is no setting that I know of that can display all of those attachments. How can you see those?

One solution, although not great, is to first go to the email, go up to the three dots (if you hover it will say More) at the top of the email and click Forward all. Scroll down to the bottom of the email