You posted in the forum for Suggestions to Improve Lacerte. 

Here is another thread that discusses something similar https://proconnect.intuit.com/community/lacerte-tax-discussions/discussion/what-is-this-attribute-hi...

Basically there will be several mystical files created. You likely would need to contact support if you really want to know. 

The Thread you should be posting in is https://proconnect.intuit.com/community/lacerte-tax/discussion/03/302