If many users are to be deleted from a domain, deleting using the Web GUI may be time consuming and inefficient. In that case, Administrators can upload a spreadsheet containing the required data and delete the users. Follow these steps to delete users in bulk. 

Sl No	Description
1	Create a spreadsheet in your favorite office suite.
2	Enter data for one user in a single row.
3	For each row, the columns should have the following data. There should be no header row. The first row should contain data of first user. Second row, data of second user and so on...
4	Column 1: username Contains the email address of the user. Required.
5	Save the Spreadsheet in Excel 97-2003 Workbook (*.xls) format.
6	Make sure that the spreadsheet does not contain more than 1000 rows. If you need to create more than 1000 users, create multiple spreadsheets of 1000 users each.
7	Once you are ready with the spreadsheet, proceed further
8	Login to control panel
9	That will bring up the following window
10	Click on Bulk Operations. That will bring up the following window
11	Choose Select Operation field as Delete Users. That will display the following
12	Click on Browse... button. Select the spreadsheet you have created. Click on Delete button
13	The bulk deletion job will be added to queue and following is displayed.
14	Click on OK. Old window will be displayed. Click on Cancel to close the Window.
15	This operation will be completed in about an hour and on completion, you will get an email containing status of the operation.