Windows
Compatible applications
Quick Facts
Basic information about this file format
Extension
.INF
File Type
Setup Information File
Category
Data
Best first step
Use compatible software
Quick Summary
A practical overview of the .inf file format
An INF file, short for Setup Information file, is a plain text file format used by Microsoft Windows for installing software and hardware components. It contains instructions and data that the operating system uses to install drivers, configure hardware settings, and copy files to the appropriate l…
File extension
.INF
File type
Setup Information File
Category
Data
Recommended action
Open with a trusted compatible app
How to open a .inf file
Start with a trusted app that supports this format
- Check the file extension carefully and confirm that the file name really ends with .inf.
- Use software that supports this file type. If one app does not work, try another compatible program for the same platform.
- Update the application if the file was created by a newer version of the software.
- Scan files from unknown sources before opening them, especially documents, archives, scripts, installers, and executable files.
What is a .inf file?
File extension details and usage information
An INF file, short for Setup Information file, is a plain text file format used by Microsoft Windows for installing software and hardware components. It contains instructions and data that the operating system uses to install drivers, configure hardware settings, and copy files to the appropriate locations on the system. The file specifies the files to be copied, the registry entries to be created or modified, and the services to be installed or started. INF files are crucial for the Plug and Play functionality of Windows, allowing the operating system to automatically detect and configure new hardware devices. They are often included with driver packages and software installation packages. The structure of an INF file is divided into sections, each containing specific information about the installation process. These sections define the source and destination locations of files, the registry keys to be modified, and the dependencies required for the software or hardware to function correctly. INF files are essential for ensuring that software and hardware are installed and configured properly on a Windows system.
Software Compatibility
Programs that may open or work with .inf files
macOS
Compatible applications
Linux
Compatible applications
Mobile
Mobile applications
Can .inf files be converted?
Options for saving or exporting this file to another format
In many cases, a .inf file can be converted by opening it in compatible software and using an option such as Save As, Export, or Convert. The available output formats depend on the file type and the application used.
- Use the original software that created the file when possible.
- Check whether the application supports exporting to common formats.
- Be careful with online converters when working with private, business, or sensitive files.
- If conversion fails, the file may be corrupted, incomplete, encrypted, or not actually a .inf file.
Why can't I open a .inf file?
Common reasons this file type may not open correctly
Wrong software
The file may require a specific program that supports the .inf format.
Incorrect extension
The file extension may have been renamed manually, even though the actual file format is different.
Corrupted file
The file may be incomplete, damaged during download, or transferred incorrectly.
Outdated app
Your software may need to be updated before it can open newer versions of this file format.
Frequently Asked Questions
Common questions about .inf files
To open a .inf file, use software that supports this file format.
- Notepad
- Notepad++
- Microsoft Visual Studio
- Any text editor
- TextEdit
Open the file in compatible software and look for options such as Save As, Export, or Convert. If no export option is available, the file may require a specialized converter or the original application that created it.
- Verify that the file extension is correct.
- Install or update compatible software.
- Try another application that supports this format.
- Check whether the file is corrupted, incomplete, or encrypted.
A file extension alone does not guarantee whether a file is safe or unsafe. Only open files from trusted sources, scan unknown files before opening them, and be especially careful with executable, script, archive, and document files.
File safety tips
Use caution with unknown files
Only open files from trusted sources. Before opening a .inf file, scan it with antivirus software, verify that the file extension is expected, and avoid running unknown executable, installer, macro-enabled document, or script files.