What is the IDL file format?
A file with the .IDL extension is a file known as Visual Studio Visual C++ interface definition library. It belongs to the Developer Files category. This format is associated with Microsoft.
The reliable way to open a .IDL file is with software that recognises this exact format, rather than guessing from the file name. If you are not sure what created a file, our file identifier can read its first bytes and name the real format, even when the file has been renamed.
This page lists 1 programs that open .IDL files. A fully verified, hand-written description of this format is being prepared; until then, the details on this page are drawn directly from our database.
Format details
in a nutshellFULL NAMEVisual Studio Visual C++ interface definition library file
DEVELOPERMicrosoft
CATEGORYDeveloper Files
Programs that open IDL files
Windows1 app
Community Q&A
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