.IDL File Extension
Interface Definition Language File
| Developer | Microsoft |
| Popularity |
3.6 | 5 Votes |
| Category | Developer Files |
| Format | N/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.
Programs that open or reference IDL files
Windows
Microsoft Platform SDK