Converting from Outlook Express to Outlook 2013

Outlook version
Outlook 2010 32 bit
Email Account
I have numerous emails in Outlook Express on an old desktop running Windows XP, and I want to transfer them to Outlook 2013 on a new laptop running Windows 8.1.

What is the best way to do this?
Outlook version
Outlook 2016 32 bit
Email Account
Office 365 Exchange