What is CDX? What Opens a CDX? File Format List from WhatIs.com

File Extension

CDX File Format

Microsoft's Visual Foxpro index

CDX file format icon

CDX is a file extension for an index file format used by Microsoft Visual FoxPro. CDX stands for "compound index" Visual FoxPro is a relational database with an object-oriented programming environment that comes with pre-written classes.

FoxPro can also connect to such databases as SQL Server and Oracle. DBX files define custom fields and allowable data types for those fields. Visual FoxPro is part of Microsoft's Visual Studio.


Learn more about CDX files:

Explore Visual Studio 2010.

Visit the Microsoft Visual FoxPro forums.

Find answers to FoxPro questions at IT Knowledge Exchange.

This was last updated in August 2010
Editorial Director Margaret Rouse

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