Microsoft Copilot is an AI-powered code completion tool developed by GitHub, which is now a subsidiary of Microsoft. It assists developers by suggesting code snippets, auto-completing code, and providing contextual suggestions while they write code. Copilot is built upon OpenAI's Codex, a language model specifically trained on code.
As of my last update in January 2022, Microsoft Copilot primarily supports programming languages that are commonly used for software development. This includes languages like Python, JavaScript, TypeScript, Java, C#, C++, and more. However, the extent of support and effectiveness may vary across different languages.