Please, help with outlook 2010 and 2013.

Greetings, i need help to backup 3 users data from Outlook 2010 and import to Outlook 2013.
Can you help me?
Thank you so much, and sorry for my English.
Answer #1
http://office.microsoft.com/en-us/outlook-help/export-outlook-items-to-an-outlook-data-file-pst-HA102534110.aspx