To print, do the following:
In the Messages view, select one or more messages you want to print.
You have two options for printing:
To print without preview, select File > Print.
To check a preview of the printout, select File > Print Preview. In the preview dialog, click Print.
The selected messages are sent to the printer.
Multiple messages are printed on separate pages. In case of multimedia messages (MMS), only text and images are printed.