.AC_ file extension

This is the basic program to work with .AC_ extension

CaseWare Working Papers

CaseWare Working Papers CaseWare Compressed File

CaseWare Working Papers is highly flexible engagement software that provides you with everything you would expect from an assurance and reporting tool plus much, much more! Engagements are planned, performed and reviewed entirely on screen, completely eliminating paper... (more)

The program works with the following extensions: ac, csl, cdl, csp and ac_