On the Manage Rules on a study level page, you also have an option of downloading/exporting rules in CSV, Excel (for data export) and XML format (for rule file). All of the download/ export icons are located on the Manage Rules in <<Study Name>> header in between the drop down menu of how many subjects to be displayed and the Show More/ Hide link. Refer to the screenshot below.   

Download icons for rules

Left (red box): Exporting Rules in CSV

Middle (blue box): Exporting Rules in Excel format

Right (green box): Downloading the Rules file (in XML) 

Download Rule in CSV format. Note that the rule gets saved as a txt file but it could be opened with Excel.

Download Rule in XLS format.

Download Rule in XML Format.