MSCDEX | Article about MSCDEX by The Free Dictionary
Also found in: Acronyms
MSCDEX(MicroSoft CD-ROM EXtensions) A DOS operating system module that added support for CD-ROM drives. The MSCDEX.EXE file was required on a DOS boot floppy in order to install Windows from the CD-ROM. Starting with Windows 95, MSCDEX was replaced with the CD-ROM File System (see CDFS).
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Microsoft currently bundles the MSCDEX
extension with DOS and Windows software.
0 or higher Minimum Requirements: CD-ROM drive and MSCDEX