Email, Messaging, & Video Calls Email How to Print Multiple Email Messages in macOS Mail by Heinz Tschabitscher Writer A former freelance contributor who has reviewed hundreds of email programs and services since 1997. our editorial process Heinz Tschabitscher Updated on April 05, 2020 HP Email Yahoo! Mail Gmail Tweet Share Email Printing an email is easy in macOS Mail. Just select it in the mailbox and click the Print toolbar item. But Mail can do more than just print a single message—it can print an entire email thread in one continuous print job. Each message is separated by a horizontal line, rather than being printed on a new sheet of paper. Here's how to print multiple messages at once in macOS Mail: Highlight the messages you want to print in the mailbox. You can select multiple messages or mailboxes by holding down the Command key while selecting items. You can also use drag-selection. From the menu bar, select File > Print. Alternatively, press Command+P.