If you have your contacts in an Excel spreadsheet, you can import the list directly into Outlook.
Create a contact group (formerly a distribution list) from a list of contacts in an Excel worksheet.
Remove any duplicate contacts in Outlook.
Print one or a collection of Outlook contacts in a variety of customizable styles including as contact cards or phone lists.
The way you import contacts into Outlook 2013 depends on the kind of account or file you're importing them from.