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