What is a PIF file?
A .PIF file is a Program Information File. Originally created by Microsoft & IBM, it tells the Windows operating system how to run an older MS-DOS application. It stores settings like memory limits, screen resolution, and window size.
Sometimes, a .PIF file acts as a direct shortcut to an MS-DOS program. In a completely different context, scientists use .PIF files as Thermodynamic data exchange files under the IUPAC standard. Because a .PIF file has multiple possible meanings, we recommend using viewer.online/pif to identify the actual format of your file.
How to open PIF files?
In older versions of Windows, double-clicking a .PIF file runs the associated MS-DOS program. System administrators can also edit these files using the built-in PIF Editor tool. However, modern operating systems do not support MS-DOS programs natively without emulation tools like DOSBox.
If you need to know exactly what is inside your file, viewer.online/pif analyzes .PIF files to identify their exact format and creator software, shows which programs can open the file, and usually previews it.
Best practices and troubleshooting
Be very careful with unknown .PIF files. Because modern Windows often treats them as executable files, malware authors use the .PIF extension to hide computer viruses. Never double-click a .PIF file from an unknown email attachment.
Instead of risking your computer security, use a safe environment to inspect the file. You can open it in a basic text editor or use an online analysis tool to read the header safely.
Software and tools
- Microsoft Windows
- PIF Editor
- DOSBox (for running the MS-DOS software)
- HxD (for inspecting the raw binary data)
Summary
Because .PIF files use the known EXE format, viewer.online/pif can safely open and display them online, eliminating compatibility problems.