Step 1

Login to our domain management control panel
Here: https://www.namesarecheap.com/managenames.shtml

Step 2

NOTE: ('Domain Locking' feature must be disabled - click on 'Domain Locking' to disable)
Click 'Organization' - To change the current organization or company
Click 'Admin' - To change the current administrative contact (ownership, password control)
Click 'Technical' - To change the current technical contact (host or webmaster)
Click 'Billing' - To change the current billing contact
Click 'All Domains' - If you wish to apply changes in bulk

Click 'Save Configuration'

Snapshot

If admin contact email address is no longer valid, please go to:

http://adminchange.com