IDX file icon

IDX File Extension

Index Format

What is IDX file?

IDX file extension is used by index files created by various search tools. Single IDX file contains and index of files or folders located in, for example, a data catalogue.

Process of generating IDX files

IDX files can be generated by search function of a given application. They can be quite large, and deleting such file has no effect on the program’s behaviour. However, in many cases a deleted IDX file will be recreated during subsequent indexing process.

IDX file format applications

Index files are use by applications to speed up file search processes, in database queries and as sorting algoritm subroutines. IDX files are usually found in databases, but many other programs also make use of them.

Programs which support IDX file extension

Below you will find an index of software programs that can be used to open IDX files divided into 2 categories according to system platform supported. Files with IDX extension, just like any other file formats, can be found on any operating system. The files in question may be transferred to other devices, be it mobile or stationary, yet not all systems may be capable of properly handling such files.

Updated: 08/17/2022

How to open file with IDX extension?

Problems with accessing IDX may be due to various reasons. What is important, all common issues related to files with IDX extension can be resolved by the users themselves. The process is quick and doesn’t involve an IT expert. We have prepared a listing of which will help you resolve your problems with IDX files.

Step 1. Get the Visual FoxPro

Install software to open IDX file The main and most frequent cause precluding users form opening IDX files is that no program that can handle IDX files is installed on user’s system. This one is an easy one. Select Visual FoxPro or one of the recommended programs (for example, LaTeX, VobSub, ICQ) and download it from appropriate source and install on your system. Above you will find a complete listing of programs that support IDX files, classified according to system platforms for which they are available. The safest method of downloading Visual FoxPro installed is by going to developer’s website (Microsoft Corporation) and downloading the software using provided links.

Step 2. Update Visual FoxPro to the latest version

Update software that support file extension IDXIf the problems with opening IDX files still occur even after installing Visual FoxPro, it is possible that you have an outdated version of the software. Check the developer’s website whether a newer version of Visual FoxPro is available. Software developers may implement support for more modern file formats in updated versions of their products. The reason that Visual FoxPro cannot handle files with IDX may be that the software is outdated. All of the file formats that were handled just fine by the previous versions of given program should be also possible to open using Visual FoxPro.

Step 3. Associate Index Format files with Visual FoxPro

If you have the latest version of Visual FoxPro installed and the problem persists, select it as the default program to be used to manage IDX on your device. The next step should pose no problems. The procedure is straightforward and largely system-independent

Associate software with IDX file on Windows

Selecting the first-choice application in Windows

  • Right-click the IDX file and choose Open with option
  • Select Choose another app → More apps
  • To finalize the process, select Look for another app on this PC entry and using the file explorer select the Visual FoxPro installation folder. Confirm by checking Always use this app to open IDX files box and clicking OK button.
Associate software with IDX file on Mac

Selecting the first-choice application in Mac OS

  • By clicking right mouse button on the selected IDX file open the file menu and choose Information
  • Open the Open with section by clicking its name
  • From the list choose the appropriate program and confirm by clicking Change for all....
  • A message window should appear informing that This change will be applied to all files with IDX extension. By clicking Continue you confirm your selection.

Step 4. Check the IDX for errors

If you followed the instructions form the previous steps yet the issue is still not solved, you should verify the IDX file in question. Problems with opening the file may arise due to various reasons.

Check IDX file for viruses
1. Verify that the IDX in question is not infected with a computer virus

If the file is infected, the malware that resides in the IDX file hinders attempts to open it. Scan the IDX file as well as your computer for malware or viruses. If the IDX file is indeed infected follow the instructions below.

2. Check whether the file is corrupted or damaged

If the IDX file was sent to you by someone else, ask this person to resend the file to you. During the copy process of the file errors may occurred rendering the file incomplete or corrupted. This could be the source of encountered problems with the file. If the IDX file has been downloaded from the internet only partially, try to redownload it.

3. Ensure that you have appropriate access rights

There is a possibility that the file in question can only be accessed by users with sufficient system privileges. Log out of your current account and log in to an account with sufficient access privileges. Then open the Index Format file.

4. Make sure that the system has sufficient resources to run Visual FoxPro

The operating systems may note enough free resources to run the application that support IDX files. Close all running programs and try opening the IDX file.

5. Verify that your operating system and drivers are up to date

Regularly updated system, drivers, and programs keep your computer secure. This may also prevent problems with Index Format files. It may be the case that the IDX files work properly with updated software that addresses some system bugs.

Do you want to help?

If you have additional information about the IDX file, we will be grateful if you share it with our users. To do this, use the form here and send us your information on IDX file.

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