.AIDL File Extension

File Type:
Android Interface Definition Language File

Having trouble opening .aidl extension? Don't panic! This page explains what aidl files are as well as suggests programs you may use to open aidl files. You can download these programs through this page.

What is an AIDL file?

Aidl file extension has Android Interface Definition Language file type, developed by Google, which is associated with the "developer files" category.

Typically used by Android app developers, the file allows communication among different applications. It usually stores Java source code defining an interface, which enables the apps to communicate. The file also enables an app to communicate with another one that runs in a separate process.

Users should save AIDL files to the src/ directory within their projects. While developing an application, an “IBinder” file that comes with the .JAVA file extension will be created.

To learn how you can open the given file, read the information below.

aidl file icon
File Type:
Android Interface Definition Language File
Developer Files

How to open AIDL file?

Double click the aidl file to open it. The file will open automatically if file associations have been correctly installed and there is a proper program on your computer; if not, file associations may be corrupted and your OS either cannot find the proper program, or you might not have one for opening the file. First, we recommend downloading our utility to fix file association errors; then, you can download any program for opening the .aidl extension from the ones suggested below. If you are certain there is nothing wrong with the file associations, you may proceed to method 2 right away; besides, if you can't make up your mind when choosing the right program, use Universal File Viewer from the last method.

Method 1: Fix file association errors

Follow these steps in order to automatically fix the aidl extension associations' problem in no time:

  • Step 1: Click on "Download Solution" to download automatic tool provided by WikiExt.
  • Step 2: Click "Start Scan" to identify all potential issues.
  • Step 3: Review scan results and click "Fix Items".

File Size: 3.04 MB, Download time: < 1 min. on DSL/ADSL/Cable

This Tool is Compatible With: Windows XP, Vista, 7, 8/8.1, 10

Method 2: Download the appropriate software

The given list provides programs which may be used for opening or converting the aidl file. Choose the proper program for your OS, and click it to start the download or proceed to the developer's website.

Programs that open AIDL files

Method 3: Use universal file viewer

In addition to the list of programs above, we recommend using Universal File Viewer. This tool can open over 250 file extensions and, most likely, it will be able to open the aidl file as well. Download Universal File Viewer for your OS.

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