Home : File Types : IDL File

.IDL File Extension

File TypeInterface Definition Language File

3.6 (5 Votes)
CategoryDeveloper Files

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

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.

The Interface Definition Language file type, file format description, and Windows programs listed on this page have been individually researched and verified by the FileInfo team. We strive for 100% accuracy and only publish information about file formats that we have tested and validated.

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