Once in a while you must have felt a need to print multiple emails only to find out that you have to go through a painful and time consuming process of opening every email to print each one of them.
Noting to worry about, Gmail Print All for Chrome is here to help you. Gmail Print All is a Chrome extension that allows you to select multiple messages or conversation threads in Gmail and lets you export to PDF, export them to Google Doc (from there you can print all the emails), share with others, or store with the rest of your important documents.
All you need to do is add messages to a Gmail label and run Print All from your Chrome Apps screen. Once you run the extension, you’ll get a new document in Google Drive with all of the messages inside. You can add a cover page, leave in Google Docs, or print and download in any format you choose. Each thread will gets its own page with the subject at the top. The pages are all well formatted which will let you easily add one and easily navigate through the messages.