Repair .CDX File Errors    |    What is the .CDX File Extension?    |    Scan for .CDX File Extension Errors

Run a Free Scan to check for CDX related errors.

What is the .CDX File Extension?

.CDX File Extension Description:

Microsoft Visual FoxPro is a database object oriented programming language that uses objects and their interactions to design applications, reuse components across applications, and manipulate data with its built-in XML support.

Visual FoxPro creates index keys when you create an index. For each record in the table based on the index expression that you supplied, it stores the index keys in the index file. The index file contains and maintains pointers to records in the table file that are organized according to the index key values.

Visual FoxPro supports two types of index files: the standalone and the compound index files. The standalone index files are those that use the IDX file extension. They store single index keys that are temporary and less frequently used. Files with the .idx file extension can be used as temporary indexes by creating or re-indexing the immediately before using them.

The compound index files are those that use the CDX file extension. They consist of one physical file that contains many index tags, each of which is an index order reference for the associated table. There are two types of files with the .cdx file extension: the structural and non-structural.

Visual FoxPro automatically creates structural files with the .cdx file extension when you create index for the table. This means that it treats these files as essential parts of the table, thus it opens and closes the structural files automatically when you open and close the table, and maintains them automatically when you add, change or delete the table records. Structural files with the .cdx file extension always have the same base name as the table file name and are used for indexes that are frequently used and maintained on a regular basis.

On the other hand, Visual FoxPro creates nonstructural files with the .cdx file extension to store multiple indexes that are not frequently used. These files are usually created for special purposes but you don not want them to be maintained by your application on a continuing basis. Nonstructural files with the .cdx file extension always have names that are defined by the user and are different from the table file names.

Author: Microsoft Corporation
Author URL:
Related Applications: Visual FoxPro
Common Path: C:/ Program Files


Run a Free Scan to check for CDX related errors & to optimize PC performance.

Do you have errors with .CDX files?

The Cause for .CDX files Errors:

A typical and frequent cause for .CDX files errors is corruption in the Windows program registry - cleaning is needed to protect against additional damage in other applications and/or hardware devices. While the errors persist your personal computer remains at risk for possible blue screen errors, device failure and fatal crashes.

.CDX files Errors - Common Symptoms:

Common symptoms from .CDX files errors include poor pc performance, long application start up speed, trouble saving documents, extended suspensions in software procedures, applications ends without an error message, input freezing and programs lock up.

Helpful Tools

The following products are free to try. We have found them to be of the highest quality and value. They have been extremely useful in our own pc troubleshooting and maintainance and we highly recommend trying them out for yourself.

Anti-Malware Pro

With a lightning fast free scan and the largest authentic spyware detection database we have seen, Anti-Malware Pro finds and removes threats to your PC stability and security. Download Anti-Malware Pro


DriverFinder will scan your system for driver and software updates. Its easy to use interface makes keeping your drivers updated quick and simple. They will even send you an email notification when new driver updates are available for your system! It doesn't get any more convenient than this. Download DriverFinder

Browse File Extensions by Name:

Is your File Extension missing?

Help us to make the best resource we possibly can by submitting you very own file extension details. If you have detailed information on any file extensions please let us know by visiting the following link.

Submit File Details Form

Repair .CDX File Errors    |    Scan for .CDX File Extension Errors    |    How to Fix .CDX File Extension Errors