How to Add Custom Field Type in Requirement ?

Hi,

  I am using RQM 2.0 to create and import my requirements. We can create new  requirements where  we provide :--

Type,  Severity, Owned By, Review Status  etc  under Overview tab.   

Similarly can  we add  our  own  custom type (e.g. Project ID) in this Overview tab which is  customized for my  TestProject  for  all  the  Requirements  under this project ?

How to export data  into the  customized field using RQM-Excel-WordImporter add-ins ?

Thanks-

Chandan