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    MSCDEX

    Last Updated May 24, 2021 1:49 pm
    Webopedia Staff
    Short for Microsoft CD-ROM Extension, a driver that enables DOS and Windows 3.x systems to recognize and control CD-ROM players. The driver is located in a file called MSCDEX.EXE. Windows 95 replaces MSCDEX with a 32-bit, dynamically loadable driver called CDFS.

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