Context window

Concept

The amount of text (tokens) a large language model can take into account at once, including instructions, data and conversation; as it fills up, reasoning quality tends to degrade.

Title graphic: Context window (Concept)

Type	Concept

Articles about Context window (1)

Copilot Data Security Risks: Protecting Your Microsoft 365 Environment
2026-02-25 · Mirko Peters
Copilot Data Security Risks: Protecting Your Microsoft 365 Environment. Understand the security risks of Microsoft Copilot accessing sensitive enterprise data. Ensure data protecti

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Maintained by Mirko Peters (Microsoft MVP) · Last updated: 2026-11-03