IDL file format description
Many people share .idl files without attaching instructions on how to use it. Yet it isn’t evident for everyone which program a .idl file can be edited, converted or printed with. On this page, we try to provide assistance for handling .idl files.
1 filename extension(s) found in our database.
.idl - Interface Definition File
The IDL development files are related to MIDL Compiler. IDL file is an Interface Definition File. Microsoft Interface Definition Language (MIDL) is a text-based interface description language by Microsoft, based on the DCE/RPC IDL. Its compiler is also called MIDL.
- MIDL Compiler
- Development files
- - / -
- Interface Definition File related extensions:
Naturally, other applications may also use the .idl file extension. Even harmful programs can create .idl files. Be especially cautious with .idl files coming from an unknown source!
Can't open a .idl file?
When you double-click a file to open it, Windows examines the filename extension. If Windows recognizes the filename extension, it opens the file in the program that is associated with that filename extension. When Windows does not recognize a filename extension, you receive the following message:
Windows can't open this file:
To open this file, Windows needs to know what program you want to use to open it. Windows can go online to look it up automatically, or you can manually select one from a list of programs that are installed on your computer.
To avoid this error, you need to set the file association correctly.
- Open Control Panel > Control Panel Home > Default Programs > Set Associations.
- Select a file type in the list and click Change Program.
The .idl file extension is often given incorrectly!
According to the searches on our site, these misspellings were the most common in the past year:
dil, dl, icl, id, id1, idi, idk, idm, ido, idp, iel, ifl, il, ild, irl
Is it possible that the filename extension is misspelled?
Similar file extensions in our database:
- Infini-D 3D Object
- gLite Job Description Language File
- InstallShield Pro Log
- IBM PComm Interchange Document Profile
- I-DEAS Document
- Atari 8-bit Interlace Logo Designer Image
DataTypes.net currently supports the following operating systems:
Windows XP/Vista, Windows 7/8, Windows 10, CentOS, Debian GNU/Linux, Ubuntu Linux, FreeBSD, Mac OS X, iOS, Android
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