With the cost decline of hard disk space and the business needs to keep data online you may not need this capability, but if you are in an environment where there is high transaction volume and where transaction like quotes or order might be created and not executed you might want a tool to purge or archive data from you Dynamics AX system. This framework was released for AX2009 but the update for the current releases of Dynamics AX 2012 R2 etc has been in the works for a while. An update was released in July 2014. You can find the download link here:
Documentation link is here if you want to find out more about how this works.