.DCL File Extension

Custom dialog definition file used by AutoCAD, a CAD design and documentation software application; contains dialog box settings, such as the title, buttons, text, list boxes, and other components; typically referenced by an application component, which displays the dialog box in order to receive user input.

DCL files are saved in a plain text format and are written using the AutoCAD's Dialogue Control Language (DCL) programming language.

Report generated by DumpSec, a security auditing program; contains a "dump" of file permissions, audit settings, user and group information, and registry settings in a concise, readable listbox format; used for identifying security holes in computer systems.

DumpSec was developed by SomarSoft, but is now distributed by SystemTools Software.