Processes in Microsoft 365 for setting up Office apps, redeeming product keys, and activating licenses.
To print multiple addresses per sheet,You can try the following steps:
First Create the merged publication: In the Mail Merge task pane, under Create merged publications, you can:
Preview your merged publication (to see how it will look before you print all versions and to resolve potential issues)
Print your merged publication > Click Print.
In the Print dialog box, select the options that you want, and then click OK.
Important To print different sets of merge data — for example, different names and addresses — on each sheet of paper, click Multiple pages per sheet in the Printing options section. If you choose Multiple copies per sheet, each sheet of paper will contain multiple copies of the same data.
You may want to look at this webpage on a step by step how to mail merge in publisher.
http://office.microsoft.com/en-us/publisher/HP012330501033.aspx
Hope this information is helpful.
Natasha Dsouza
Microsoft Answers Support Engineer
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