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Basic information about INDEX file

When there is a problem with opening files with the file extension INDEX（*.INDEX or *.index）, you do not need a computer expert. In most cases, using the helpful suggestions of experts contained in our website as well as appropriate programs, you can solve the problem with the INDEX file yourself.

There are 4 file types using the INDEX file extension in our database. In the further part of this page, you will find detail information about all the INDEX file with their brief description and a list of programs that support INDEX file sorted by operating systems. The table below provides useful information about the INDEX file extension. It answers questions such as:
  • What is the INDEX file?
  • How to open a INDEX file?
  • What programs do I need to open a INDEX file?
  • What programs help to create and edit a INDEX file?
  • How to convert INDEX files to another file format?
  • How to convert another files to INDEX file format?


1.Detail information about INDEX file extension: Id Tech 6 Index

File type Id Tech 6 Index Category Game Files
Developer N/A File format N/A
Description INDEX file is a Id Tech 6 Index. The index file extension is associated with the Doom (Doom 4, or Doom 2016), a remake of legendary Doom, 3D first person shooter, developed by id Software.

The index file stores some kind of information about game resources.
Software programs that will open, edit or convert INDEX files


2.Detail information about INDEX file extension: Eclipse Help Index

File type Eclipse Help Index Category Misc Files
Developer The Eclipse Foundation File format N/A
Description INDEX file is a Eclipse Help Index developed by The Eclipse Foundation.
Software programs that will open, edit or convert INDEX files

Windows		 Eclipse


3.Detail information about INDEX file extension: WOW! Index

File type WOW! Index Category Data Files
Developer N/A File format N/A
Description INDEX file is a WOW! Index.
Software programs that will open, edit or convert INDEX files

Windows		 WOW!


4.Detail information about INDEX file extension: Starcraft Index

File type Starcraft Index Category Game Files
Developer N/A File format N/A
Description INDEX file is a Starcraft Index.
Software programs that will open, edit or convert INDEX files



Can't open a INDEX file?

When you click a file to open it, operating system examines the filename extension. If operating system recognizes the filename extension, it opens the file in the program that is associated with that filename extension. When operating system does not recognize a filename extension, you receive the following message:

”Can't open this file: example.INDEX”。

To open this file, you install one of the applications from the list of software programs that you found here, you should be able to open, edit or convert the file with the INDEX extension without any issue.


Where I can download the application that support INDEX file?

If you do not know where you can download the application from our list, click on the link (which is the name of the program), you will find more information there on the location where to download the required application. Most often they are the websites of software manufacturers.


How to change file associations?

  • Right-click a file with the extension whose association you want to change, and then click "Open With".
  • In the "Open With" dialog box, click the program whith which you want the file to open, or click "Browse" to locate the program that you want.
  • Select the ”Always use the selected program to open this kind of file” check box.


Can I change the extension of INDEX files?

Changing the filename extension of a file is not a good idea. When you change a file's extension, you change the way programs on your computer read/open the file. The problem is, changing the file extension does not change the file format. Select a software program from our list and install it on your computer. If the file has not opened correctly, you have to look for a different software program from our list. Sometimes you have to repeat the operation several times.


What else may cause problems width open a INDEX file?

The reasons for the lack of the ability to open a INDEX file on your computer may be at least several. The easiest thing is to find a suitable application installed on your computer, which will open a INDEX file. If there is still something wrong, you might want to check:

  • Whether the INDEX file is damaged.
  • Whether the INDEX file is incorrectly linked in the registry entries.
  • Whether the INDEX file extension has been accidentally removed from the Windows registry.
  • Whether the installation of an application that supports the INDEX file format is incompletely.
  • Whether the INDEX file is infected.
  • Whether the drivers of the equipment used for opening a INDEX file are up to date.
  • Whether your computer has enough hardware resources to open a INDEX file.

If the INDEX file still not working with your software after eliminating the above shortcomings? That means that the problem is more complex and requires the help of a specialist.