INDEX File Extension

INDEX file icon
Eclipse Help Index
  • Developer
    The Eclipse Foundation
  • Category
  • Popularity
    3.6 (5 votes)

What is INDEX file?

Full format name of files that use INDEX extension is Eclipse Help Index. Eclipse Help Index specification was created by The Eclipse Foundation. Files with INDEX extension may be used by programs distributed for Windows platform. Files with INDEX extension are categorized as Misc Files files. The Misc Files subset comprises 4360 various file formats. The most popular software that supports INDEX files is Eclipse. Eclipse software was developed by The Eclipse Foundation, and on its official website you may find more information about INDEX files or the Eclipse software program.

Programs which support INDEX file extension

Below is a table that list programs that support INDEX files. Files with INDEX suffix can be copied to any mobile device or system platform, but it may not be possible to open them properly on target system.

Programs that support INDEX file

Windows Windows

How to open file with INDEX extension?

Being unable to open files with INDEX extension can be have various origins. What is important, all common issues related to files with INDEX extension can be resolved by the users themselves. The process is quick and doesn’t involve an IT expert. The following is a list of guidelines that will help you identify and solve file-related problems.

Step 1. Get the Eclipse

The main and most frequent cause precluding users form opening INDEX files is that no program that can handle INDEX files is installed on user’s system. The solution is straightforward, just download and install Eclipse. Above you will find a complete listing of programs that support INDEX files, classified according to system platforms for which they are available. The safest method of downloading Eclipse installed is by going to developer’s website (The Eclipse Foundation) and downloading the software using provided links.

Step 2. Check the version of Eclipse and update if needed

If you already have Eclipse installed on your systems and INDEX files are still not opened properly, check if you have the latest version of the software. Software developers may implement support for more modern file formats in updated versions of their products. The reason that Eclipse cannot handle files with INDEX may be that the software is outdated. The latest version of Eclipse should support all file formats that where compatible with older versions of the software.

Step 3. Set the default application to open INDEX files to Eclipse

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

The procedure to change the default program in Windows

  • Clicking the INDEX with right mouse button will bring a menu from which you should select the Open with option
  • Click Choose another app and then select More apps option
  • To finalize the process, select Look for another app on this PC entry and using the file explorer select the Eclipse installation folder. Confirm by checking Always use this app to open INDEX files box and clicking OK button.

The procedure to change the default program in Mac OS

  • From the drop-down menu, accessed by clicking the file with INDEX extension, select Information
  • Find the Open with option – click the title if its hidden
  • Select the appropriate software and save your settings by clicking Change all
  • If you followed the previous steps a message should appear: This change will be applied to all files with INDEX extension. Next, click the Continue button to finalize the process.

Step 4. Ensure that the INDEX file is complete and free of errors

You closely followed the steps listed in points 1-3, but the problem is still present? You should check whether the file is a proper INDEX file. Being unable to access the file can be related to various issues.

1. The INDEX may be infected with malware – make sure to scan it with an antivirus tool.

If the file is infected, the malware that resides in the INDEX file hinders attempts to open it. Scan the INDEX file as well as your computer for malware or viruses. If the scanner detected that the INDEX file is unsafe, proceed as instructed by the antivirus program to neutralize the threat.

2. Ensure the file with INDEX extension is complete and error-free

If you obtained the problematic INDEX file from a third party, ask them to supply you with another copy. The file might have been copied erroneously and the data lost integrity, which precludes from accessing the file. If the INDEX file has been downloaded from the internet only partially, try to redownload it.

3. Check if the user that you are logged as has administrative privileges.

Sometimes in order to access files user need to have administrative privileges. Switch to an account that has required privileges and try opening the Eclipse Help Index file again.

4. Verify that your device fulfills the requirements to be able to open Eclipse

If the system is under havy load, it may not be able to handle the program that you use to open files with INDEX extension. In this case close the other applications.

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

Up-to-date system and drivers not only makes your computer more secure, but also may solve problems with Eclipse Help Index file. It is possible that one of the available system or driver updates may solve the problems with INDEX files affecting older versions of given software.

Do you want to help?

If you have additional information about the INDEX 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 INDEX file.

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