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.IDL File Extension

File TypeInterface Definition Language File

DeveloperMicrosoft
Popularity
3.6 (5 Votes)
CategoryDeveloper Files
FormatN/A

What is an IDL file?

Source code file created using the Microsoft Interface Definition Language (MIDL); contains interface and type library definitions; used for defining interfaces between client and server applications; also used for generating type libraries (.TLB files) for OLE automation.

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Programs that open IDL files
Windows
Microsoft Visual Studio 2019
Microsoft Platform SDK
Updated 7/8/2010

About IDL Files

Our goal is to help you understand what a file with a *.idl suffix is and how to open it.

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