What is the CDX File Extension?

By:   |   Updated: December 04, 2018

Microsoft Silver

CDX File Summary

Six known software programs (notably, Microsoft Visual FoxPro developed by Microsoft Corporation) are related to the CDX file extension. In addition, they are categorized under five distinct file types, but mainly identified as the Compound Index File format. These files can be categorized as Data Files, Developer Files, or Vector Image Files. In the majority of cases, these files will be Data Files.

File Extension CDX is supported by Windows, Mac, and Linux operating systems. These types of files can be found on both desktop and mobile devices. The CDX File Extension carries a Popularity Rating of "Low", meaning that these files are scarcely found in most user's file stores.

To learn more about CDX files and their associated software applications, please see the information below. Plus, we provide a basic troubleshooting guide to solve problems with opening CDX files.

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Types of CDX Files

  5 known file types use this extension

Primary CDX File Association

.CDX
Extension:.cdx
Category:Compound Index File

Index of files (or ant other data) in a database. It is comparable to the IDX compact index file, but lowest level leaf nodes of a compound index will point to one tag in the index.

Organization: Microsoft Corporation
File Category:Data Files
Entry: HKEY_CLASSES_ROOT\.cdx

Software Programs That Open The Compound Index File:


Microsoft Visual FoxPro by Microsoft Corporation

Windows

Secondary CDX Associations

.CDX
Extension:.cdx
Category:Alpha Five Table Index File

An index file used by the Web application IDE; Alpha Five. It has the table index data that Alpha Five references to find table records.

Organization: Alpha Software
File Category:Developer Files

Software Programs That Open Alpha Five Table Index File Files:


Alpha Anywhere - Alpha Software by Alpha Software

Compatible with:

Windows
.CDX
Extension:.cdx
Category:ChemDraw Exchange File

Chemical information file containing binary formatted molecular data. It is created by the Windows and Mac molecule editing application; ChemDraw. It is used to store chemical drawings.

Organization: PerkinElmer
File Category:Data Files

Software Programs That Open ChemDraw Exchange File Files:


Open Babel by Open Babel development team

Compatible with:

Windows
Mac
Linux

ChemDraw by PerkinElmer

Compatible with:

Windows
Mac
iOS
.CDX
Extension:.cdx
Category:CorelDRAW Compressed File

CorelDRAW file containing a compressed CDR drawing file. It is used for lessening storage space needed for a drawing.

Organization: Corel
File Category:Vector Image Files

Software Programs That Open CorelDRAW Compressed File Files:


CorelDRAW Graphics Suite by Corel

Compatible with:

Windows
.CDX
Extension:.cdx
Category:ConceptDraw PRO XML Document

ConceptDraw PRO XML diagram file. It saves the XML version of a.CDD binary file. It is used to transfer drawing information in the easier readable XML exchange format as compared to the binary version.

Organization: CS Odessa
File Category:Vector Image Files

Software Programs That Open ConceptDraw PRO XML Document Files:


ConceptDraw PRO by CS Odessa

Compatible with:

Windows
Mac

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CDX Requests


Primary OS Ranking

Windows (97.14%)
Macintosh (2.06%)
Linux (0.73%)
Chrome (0.05%)
Other (0.01%)

Browser Rankings

Chrome (58.80%)
Firefox (11.05%)
Internet Explorer (9.04%)
Edge (8.46%)
Safari (3.87%)


CDX Troubleshooting


Troubles Opening CDX Files

Microsoft Visual FoxPro Not Present

You encounter an error message such as "%%os%% Can't Open CDX Files" when trying to open your CDX. If this is the case, it's usually due to the fact that you do not have Microsoft Visual FoxPro for %%os%% installed on your computer. The OS won't know what to do with your CDX file, so double-clicking to load the file doesn't work.


Tip: If you have another software that you know opens CDX files, you can select it by hitting the "Show Apps" button.


Outdated Microsoft Visual FoxPro

In other instances, your Compound Index File file version may not be supported by your version of Microsoft Visual FoxPro. You will need to download a newer version of Microsoft Visual FoxPro if you don't have the right version. This problem is predominately due to having a Compound Index File file version that was created by a newer version of Microsoft Visual FoxPro than what you have installed on your PC.


Tip: Right-clicking on your CDX, then clicking "Properties" (Windows) or "Get Info" (Mac), can provide clues about your file version.


Conclusion: The majority of CDX file opening issues are due to not having the correct Microsoft Visual FoxPro version installed.


More Causes of Problems Opening CDXs

Assuming you have the right Microsoft Visual FoxPro version installed, other problems can prevent you from opening CDX files. Other CDX opening errors can be created by other system problems inside of %%os%%. Issues that aren't software-related:

  • CDX file type Registry entries are wrong
  • Corruption of the CDX file description inside the Registry
  • Corrupt install of Microsoft Visual FoxPro or other CDX-related program
  • Your CDX file is corrupted (issues with your Compound Index File file itself)
  • Your CDX has adversely impacted by malware
  • Hardware related to CDXs has device driver corruption
  • Your PC doesn’t have enough available resources to open the Compound Index File file

Quiz: Which operating system pioneered hierarchical file system (eg. file folders)?








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