File Extension Database

Open INDEX File

INDEX files, as the name implies, are used to store keyword indexes for Eclipse's distributed help index feature, which is a cross-platform integrated development environment that supports various programming languages.

Eclipse comes as a multi-language environment, used for programming applications in JAVA, Ada, C, C ++, COBOL, Perl, PHP, Python, R, Ruby, etc.

Eclipse also supports plugins to add new functions called plugins. It is available for Microsoft Windows, Mac, Linux, and Solaris.

The INDEX files store the indexes of the words that allow indexed searches in the eclipse help files, to facilitate the conflict resolution process.

To open and operate on INDEX files, you must have Eclipse installed on your system:

Eclipse

How Can I Open INDEX File on Windows

We researched and learned that the best way to open INDEX file is to find a INDEX file in question in Windows OS File Explorer and double click on it to launch the corresponding application.
If a INDEX file is not opened in an application and you instead get a "Windows can't open a file" error message you should try looking for an application which can open the file in question.
If you know the application which can open INDEX file then run it and see if there is a File->Open main menu option in the application.
If you don't know the application which function as INDEX file opener then try to search online for "INDEX viewer", "application to open INDEX file" or "open INDEX file" queries in the search engine you like.
Install the application you found and check if it can open INDEX file

How Can I Open INDEX File on Mac OS

We recommend to find a INDEX file in question in Mac OS Finder and double click on it to launch the corresponding application.
If a INDEX file is not opened in a Mac OS application and you instead get a "There is no application set to open the file" error message you can click on "Search App Store" in the error dialog and Mac OS will show you applications compatible with INDEX file.
If you know the Mac OS application which can work as INDEX file opener you can choose the "Choose Application..." option in the error box to associate the file extension and open INDEX file in it.
If you don't know the application which can open INDEX file then try to search for "INDEX viewer", "application to open INDEX file" or "read INDEX file" queries in the online search engine you like.
Install the application you found and check if it can read INDEX file

How Can I Open INDEX File on Android

If you downloaded a INDEX file on Android device you can open it by following steps below:

In the Android apps list on your Android device find "My Files" or "File manager" app and tap to start it.
Tap on "Downloads" folder inside the app.
You should see your downloaded INDEX file in that folder.
Tap on the file. If Android device supports opening the file you downloaded it will open in the corresponding app.
If file does not open you can look for the corresponding app that can open the file by searching Android App Store for the "INDEX".
If you cannot open the file with the apps from Android App Store it is possible that the file could only be opened on desktop platforms such as Windows or Mac OS. Try searching for "INDEX viewer", "INDEX file reader" online and see if any desktop applications can open it.
It is also possible that the file you downloaded is outdated and is no longer supported.

How to Open INDEX File on iPhone or iPad

To open INDEX File on iOS device follow steps below:

We advies to open Files app on your iPhone or iPad device. You can find it by swiping down on the home screen and typing "Files" in the search bar.
Tap on the Downloads folder on the Files app home screen.
You will see all files that you recently downloaded. Tap on the INDEX file to view it.
If you have the right app that can open it it will automatically launch and open your file.
If you don't have the app which can open it you need to serch Apple app store for "INDEX". This way you can find apps which can open INDEX files.
If this doesn't help it is possible that your file could be opened only by the desktop application. To find an app which can open it on desktop look for "INDEX viewer" or "INDEX file" online in your favorite search engine.