This add-on is available with the Enterprise version.
In the automations, the new action "Export users" will be added, here are the options:
In the first part, you will be able to select core user fields and the custom fields you may have created.
Location of the log file: This is a relative path, starting at the root of your site. You cannot use "../" in this custom path. In the file name, "%Y" will be replaced by the current year, "%m" by the current month number and "%d" by the current day of the month. This can be useful to automatically generate an export of your users each month. You can see the complete list of possible time variables here