Outlook 2013 and Outlook 2010 allow users to create rules based on the sender, recipients or conversation of the topic message and move mail to different folder. If you have created lot of rules and want to take a backup or copy these rules to another PC then you can use the Export Rules options.
In the Home menu, navigate to move section and the click the down arrow below Rules menu option.
Select Manage Rules & Alerts option form the list of available menus.
In the Rules and Alerts window, click on Options
The Rules Options window will displayed as shown below. To export the rules click on Export Rules button
In Save Exported Rules as dialog box, specify the File name and click on Save button. This would now export all the Outlook 2013 and Outlook 2010 rules in to a Rules Wizard rules (.rwz) file.