By clicking on the People button in the quick access toolbar, and then clicking on the Export button in the command toolbar, you can export all your users' data to a CSV file.
Data is exported according to the search that is active on the search filter, this makes it easy to create files according to your specific needs.
You can download the file by clicking on the download button.
Please note that if you have too many entries, then the Admin Panel will split your data into separate files. This is necessary to avoid errors when creating CSV files.