# Microsoft Corporation
---
Who / What
Microsoft is an American multinational technology conglomerate specializing in software development, cloud computing, and hardware. Founded to support early personal computers, it evolved into a dominant force in digital innovation, shaping industries from operating systems to AI and gaming.
---
Background & History
Microsoft was founded on **April 4, 1975**, by **Paul Allen** and **Bill Gates** in **Seattle, Washington**. The company initially developed BASIC interpreters for the Altair 8800 microcomputer, later transitioning to Windows (1985) and Office suites. Key milestones include:
---
Why Notable
Microsoft is a defining player in Big Tech, driving technological advancements from Windows OS to cloud infrastructure. Its innovations—like Office, Bing, and AI tools like Copilot—have redefined productivity, entertainment, and digital ecosystems. Economically, it’s the **largest software company by revenue**, one of the most valuable public firms (market cap: ~$3+ trillion), and a global brand synonymous with tech leadership.
---
In the News
As of recent years, Microsoft remains pivotal in AI integration (e.g., Copilot partnerships) and cloud dominance (Azure growth). Recent developments include:
---
Key Facts
---