# Day 02 | AI BUILDER SERIES | Copilot Chat vs Copilot Cowork — When to Use Which? #microsoft #copilot

**Published:** October 2, 2026
**Author:** Microsoft 365 Developer
**Source:** YouTube — Microsoft Developer
**Language:** en-US
**HTML:** https://aiqazaqstan.com/en/articles/day-02-ai-builder-series-copilot-chat-vs-copilot-cowork-when-to-use-whic

Hello everyone, welcome to another episode of AI Builder. Today we will see what's the difference between Copilot Chat and Copilot Co-work and when to use which. Think of Copilot Chat as your AI conversation partner. You want to summarize email or you want to draft a response,…

> From the original source: **YouTube — Microsoft Developer**
> [Read full article at YouTube — Microsoft Developer](https://www.youtube.com/shorts/grTd2fbs-iU)

**Tags:** #Microsoft #YouTube

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