How to open .idl file format?

The probably reason why you are at this website is a problem with opening .idl file. The full name of the file is Interface Definition Language File. If the double-click on the file’s icon shows you a message that additional programs are needed to open the file, you’ll find the list of helpful programs in the bottom of the page.The developer of this format is Microsoft.

.idl file extension (Interface Definition Language File)

Category Developer/Producer File description Popularity
Developer Files Microsoft Interface Definition Language File
Programs using this file extension: .idl
ADS OS Software
  • Microsoft Visual Studio 2012
  • Microsoft Platform SDK

The file extension .idl can be used by another programs. If you have some useful information about .idl file type that may help other users, please send them to us and we’ll update our database.

Visiting our website you are probably asking yourself:
  • What application can open .idl file?
  • How to open .idl file?
  • What is .idl file?
  • How can I convert .idl file?
  • Where can I find informations about .idl file extension?
We hope we have given you enough informations about this file type. Otherwise you can search some informations about .idl extension on or