This dataset collected from Stack Overflow (SO) and GitHub Discussions was used to conduct an empirical study on the practices and challenges of using GitHub Copilot. A brief description of each document in the dataset is provided below: 1. Dataset (SO).xlsx contains the IDs and URLs of the labelled posts which are related to Copilot from Stack Overflow, and the data extracted from these related SO posts. 2. Dataset (GitHub).xlsx contains the discussion IDs and discussion URLs in the Copilot category of GitHub Discussions, and the data extracted from all the discussions. 3. Extracted Data (SO+GitHub).xlsx contains the final results of data extracted from SO posts and GitHub discussions.