The Search field at the top left allows you to search users by entering their name, extension, or department, and then clicking the magnifying glass icon:
To sortusers by name, extension, or department, click a blue column header. The arrow next to the column shows whether the items are sorted in ascending (up arrow) or descending (down arrow) order.
On the bottom left side of the page, you will find page controls to display the next or previous page. The right side gives you the controls to hide platform users and select the number of users shown per page. The Hide Platform Users option will filter just User’s accounts. Unchecking it will display conference bridges, auto attendants, and call queue user accounts.