INF File Extension

Setup Information Format

File Type inf
Popularity
4.6 (40 votes)
Application Microsoft Windows
Category Blocked Email Attachment Files, System Files
Format Text

What is a INF file?

The INF file extension is linked to Setup Information Format and belongs to the categories of Blocked Email Attachment Files and System Files, which include 327 files.

INF file support extends to various operating systems, including Windows. To open a INF file, you can choose from 5 programs such as Microsoft Windows, Notepad++ and Sublime Text.

MIME types

application/inf

Programs that support INF files

Windows ⁵

Windows

How to open a INF file?

If you cannot open a INF file, it is most often due to missing software. Select a program from the list according to your operating system. Then go to the official website of the program developer, download it, and install it on your device.

Thanks to their popularity, Microsoft Windows, Notepad++ and Sublime Text are often the go-to programs for managing INF files. If you need the newest version of Microsoft Windows, just access the Microsoft website. From there you can download the installer compatible with all systems.

Once Microsoft Windows is installed, the OS should configure it as the default tool for opening INF files.

Make Microsoft Windows the default INF viewer

Change the default app to open files on Mac

Right click or use Control + Left Click on the desired INF file to access a dropdown menu of actions;
Choose "Open in Application" and click "Other";
Towards the bottom of the window, find the "Enable" menu, which is already set to the default option, "Recommended Programs";
In this menu, select "All Programs" and search for Microsoft Windows. Check the box next to "Always open in app" to make it the default option.

Change a default app in Windows

Start by right-clicking on your INF file, then select the "Open with" option and choose "Choose another app" from the menu that appears;
Inside the popup window, scroll through the list of applications and specifically choose Microsoft Windows as the application to associate with your INF file;
Check the "Always use this app" checkbox and click "OK".

Finding answers to INF file problems

If INF files are giving you trouble, small modifications to your software can help. Check out the troubleshooting tips below to fix these issues.

What can lead to sudden Microsoft Windows crashes?

Insufficient updates for Microsoft products can cause Microsoft Windows to crash. Be sure to regularly install the latest software updates.

A computer restart is often the key to solving numerous common problems. That’s why, it is recommended to restart the computer before making any changes to the software settings.

What is the recommended approach to repair a damaged INF file?

Use a recovery program to open the damaged INF file, and in the menu, click "Repair" to start the repair operation. Wait for the recovery process to finish as it will automatically restore the damaged blocked email attachment files.

What are the ways to check if my INF file is damaged?

Characteristics of corrupted INF blocked email attachment files can include:

The file encounters problems during the opening process or shows error indications;
Editing the archive in Sublime Text is hampered by poor overall performance;
The file causes Microsoft Windows or other software to hang or crash during various operations;
An unexplained increase in the size of the INF file;
Actions performed on the file result in the appearance of error notifications;

How to edit a INF file?

To modify INF files, you need to install special software that makes it possible to open and edit blocked email attachment files. Online INF editors are more restricted compared to software designed for Setup Information Format.

Best INF editors 2026

According to these factors, we have compiled a list of available INF editors.

INF Editor Software	Developer	Platforms	Overall Rating
PSPad	Jan Fiala	Windows	4.7 out of 5 (41 review)
Notepad++	Notepad++ Team	Windows	4.6 out of 5 (37 reviews)
Sublime Text	Sublime HQ Pty	Windows, Mac OS, Linux	4.6 out of 5 (39 reviews)
Windows Notepad	Microsoft	Windows	4.2 out of 5 (37 reviews)

Convert files to and from INF

If handling a INF file is problematic, consider converting it to alternative formats such as PNG, PDF, CSV or other supported types.

After converting a INF file, some capabilities may be limited, but you can often convert it back to the original format.