To export a list of users:
1. Use the File tab→Security→User Administration command.
2. Click on the Export All to CSV button in the User Administration dialog.
3. A Save As dialog will appear. Choose the directory and enter a File name to save the comma-delimited file.
The user list can be opened with Microsoft Excel (Figure 18.8), Notepad, and other word processing programs.
Figure 18.8 Exported User List View in Microsoft Excel