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Why can .exe only run on Windows – not Mac or Linux? When a file like .mp4 can run on both? Can’t a compatibility application be made to support .exe?

Dr. Aris Thorne
Dr. Aris Thorne
Senior Science Editor · Mar 13, 2026 · Updated Apr 13, 2026

It's not that difficult to write a Mac or Linux program that can read the instructions in a Portable Executable file (the format that Windows uses for .exe files). The problem is that doing so doesn't let you run the program. Modern programs don't contain everything they need to run- all sorts of…

176
Words

1 min
Read Time

#3
of 500 in Nature

+148%
vs Category Avg

The Short Answer

It's not that difficult to write a Mac or Linux program that can read the instructions in a Portable Executable file (the format that Windows uses for .exe files). The problem is that doing so doesn't let you run the program. Modern programs don't contain everything they need to run- all sorts of common logic, like sending data over the Internet or drawing windows on the screen- is handled by the operating system. And the code that Windows uses to draw things on the screen is different than the code that Mac uses to draw things on the screen or Linux uses to draw things on the screen. So in order to run Windows programs on Mac or Linux, you have to re-implement large chunks of Windows to run on Mac or Linux. There is [wine](_URL_0_) which has been working for more than 20 years to get Windows programs running on Mac and Linux, and they've been reasonably successful, although they haven't re-implemented the entirety of Windows yet so a lot of programs still won't run.

Analysis

Key Concepts: Windows, linux, uses

This explanation focuses on windows, linux, uses and spans 176 words across 6 sentences. At 148% above the average Nature explanation (71 words), this is one of the more thorough answers in this category, reflecting the complexity of the underlying question.

What This Answer Covers

The explanation opens with: “It's not that difficult to write a Mac or Linux program that can read the instructions in a Portable Executable file (th” It then elaboratesultimately building toward a complete picture across 6 connected points.

How This Compares in Nature

Ranked #3 of 500 Nature questions by answer depth (top 1%). This places it in the comprehensive tier — the top quarter of most thoroughly answered questions. Questions at this depth typically involve multi-faceted topics requiring nuanced explanation.

Frequently Asked Questions

Is there a simple explanation for why .exe only run on windows – not mac or linux? when a file like .mp4 can run on both? can't a compatibility application be made to support .exe?

It's not that difficult to write a Mac or Linux program that can read the instructions in a Portable Executable file (the format that Windows uses for .exe files). The problem is that doing so doesn't let you run the program. Modern programs don't…

How detailed is this explanation compared to similar Nature questions?

This is one of the most thorough answer at 176 words, ranked #3 of 500 Nature questions by depth. The key concepts covered are windows, linux, uses.

What approach does this answer take to explain .exe only run on windows – not mac or linux? when a file lik?

The explanation uses root cause analysis and contrasting perspectives across 176 words. It is categorized under Nature and addresses the question through 2 analytical lenses.