What question did this study set out to answer?

To explore the design principles of the Windows COM interface and its ongoing significance.

July 29, 2026Open Access

What Is COM? - Why the Design of Windows COM Is Still Beautiful Today (archived 2026-07-27)

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To explore the design principles of the Windows COM interface and its ongoing significance.
Described the Windows COM interface design structure
Analyzed key components like IUnknown and GUIDs
Discussed the concept of binary compatibility
Identified design elements that contribute to COM's enduring functionality
Illustrated how COM maintains its usability and relevance in modern software
Showcased the aesthetic and practical appeal of COM architecture

Implication

This article explains Windows COM design principles, highlighting its relevance and effectiveness today.

Abstract

We explain what COM is from the perspective of Windows COM interface design, IUnknown, GUIDs, and binary compatibility, and why it still holds up today. Archived version of https://comcomponent.com/en/blog/2026/01/25/001-why-com-is-beautiful/, as published on 2026-07-27. The live article is maintained and may change after this date. First published 2026-01-25.

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Cite This Study

Go Komura (2026) studied this question.

synapsesocial.com/papers/6a69a2fcc8da07d9defa722d https://doi.org/10.5281/zenodo.21614443

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Implication

This article explains Windows COM design principles, highlighting its relevance and effectiveness today.

What Is COM? - Why the Design of Windows COM Is Still Beautiful Today (archived 2026-07-27)

Key Points

Implication

Abstract

Discussion

Cite This Study

What Is COM? - Why the Design of Windows COM Is Still Beautiful Today (archived 2026-07-27)

Key Points

Implication

Abstract

Discussion

Cite This Study

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