IN File Extension

IN file extension is created by GNU Project, also known as Autoconf Input File. IN has been classified as Developer Files. This file is saved in a plain text format. You can open and view the contents of this file using a text editor<\/a>. You can open IN files in CFAST program.

Autoconf Input File Type

Autoconf Input File Type

Extension	.in
Developer	GNU Project
Popularity	Very Common Common Average Uncommon Rare 5.0 (1 Votes) Thank you for voting!Already voted, thanks!
Mime Type	mime-type/not.available
Default Program	CFAST
Category	Developer Files
Format	Text
Updated	10/1/2025

What is a IN File Type?

Autoconf is part of the GNU compilation system, which creates custom compilations of applications for different platforms. C' is l' one of many GNU building tools, including Automake, Gnulib and Libtool.NOTE: Whereas the GNU community once encouraged developers to name their configuration file configuration.in-superior, they now recommend that developers name their configure file.ac-superior.

How to Open IN File?

You can open an EN file in a text editor such as Notepad (Windows) or TextEdit.

If you want to edit an IN file, however, it is preferable to use a source code editor, such as NotePad + + or Atom. They provide useful source code editing tools and correctly highlight the syntax.

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Free online IN Tools & Apps

We have also the free online .IN (Autoconf Input File) file extension apps that can allow to view, edit, convert from to IN, merge, split and compare the IN files without installing anything on your system. Please click on the links to explore the complete list of details for each required feature.

IN Files Common Issues

There are few common issues with the Autoconf Input File .IN=11355 File Extensions while opening the .IN=11355 files on Windows and MacOs, we have solution to those issues such as:

Can't Open IN Files?

1. You must have supported software programs installed for Autoconf Input File on your system such as CFAST.
2. Associate default Cfast CFAST program for *.in (Autoconf Input File) files.
   
   

   Associate IN Default Program on Windows

   1. Right-click a *.IN (e.g example.in) file and click Open With.
   2. In the Open with dialog box, click Cfast CFAST program Or click Browse to locate the program (*.exe) that you want.
   3. Select check box for Always use this app to open .in files.
   
   

   Associate IN Default Program on MacOs

   1. Click *.IN (e.g example.in) file and click information -> Open With.
   2. In the programs list, click Cfast CFAST program Or other appropriate program that you want.
   3. Confirm Change for all... and Contine.
   4. A message will appear "This change will be applied to all files with .CFAST extension. By clicking Continue you confirm your selection", click Contine to apply changes.

Related IN File Extensions

IN default file extension is .IN and other similer related extensions are:

All Platform Software Programs for IN File Extension

List of all softwares that can open the IN files on each platforms such as Windows, Mac, iOS, Linux, Web and Android, you may click the each software link for more details for other supported formats for each software and the verified direct download links for each software with complete lisensing details.

Open IN File on Windows

	Software	License	Developer
	CFAST 000 for Windows	Free	CFAST
	IDM UltraEdit 24 for Windows	Commercial	IDM

Open IN File on Mac OS

	Software	License	Developer
	IDM UltraEdit 24 for MacOs	Commercial	IDM

Open IN file on Linux

	Software	License	Developer
	IDM UltraEdit 24 for Linux	Commercial	IDM

Open IN file on Web

	Software	License	Developer

Open IN file on iOS

	Software	License	Developer

Open IN file on Android

	Software	License	Developer

About Licensing

1. Free Trial This software are often used for an attempt period, like 14 days, before requiring payment. Some trial versions have a reduced feature set.
2. Free This software is liberal to use. Examples include open-source , freeware software, like free programs supported by advertising.
3. Free⁺ This software is liberal to download and use, but contains in-app purchases (IAP) to unlock additional content or functionality.
4. Paid This software must be purchased so as to use it. it's going to be offered as a perpetual license or ongoing subscription.
5. Included with OS This software is bundled with an OS , like Windows, macOS, or Android.

About IN - Autoconf Input File

Updated 10/1/2025

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