Create another, plain text version of your resume and cover letter that you can upload during the application process. (work.chron.com)
As a result, they look much more professional and sophisticated that plain text versions so recipients are much more likely to open and read them. (realtormag.realtor.org)
If the original received email is on a web service like Gmail, one can simply make a video: logging into gmail account, finding the email in question, showing the attachments it has, showing the original plain text version with all the headers. (desmogblog.com)