1. On the lower lefthand corner of your screen, click on Contacts. 
2. Press Ctrl+A (hold the Ctrl button then press A). 
3. Right click on any contact then click on Delete, then click OK.
2. Edit option will not appear if you click at the contact's check box instead of the contact's name. How to create a group : How to access a group and see the contacts within that group: How to add contacts to the group you have created : Note: make sure you click squarely at the check box. Click the Inbox button and then click the email of the sender to add to Contacts. Click the link labeled Add Contact under the From field in the email. The contact's email address and name will be added to Contacts, and the Contacts window will open. Enter any desired additional information for the contact. Hi, If you wish to delete all your contacts in Hotmail, here are the steps: 1. Sign in to https://contacts.live.com. 2. On the left side of Name, there is a checkbox beneath All, kindly tick that box. 3. Click Delete, then click OK. If you wish to delete all your contacts in Windows Live Mail, here are the steps: 1. On the lower lefthand corner of your screen, click on Contacts. 2. Press Ctrl+A (hold the Ctrl button then press A). 3. Right click on any contact then click on Delete, then click OK. Let us know if these helped. Deleting a Contact. When viewing your inbox, click the Contacts link in the lower left: Your Hotmail contacts are actually your Windows Live Contacts, which are the contacts that are available to and created by all of the Windows Live services that you might use: To delete a contact, just click the checkbox next to the one you want to delete, and click Delete : Add or remove contacts in your favorites. Favorites appear in People at the top of your contact list. To add or remove contacts in your favorites, click the contact, then click Add to favorites, or Remove from Add members to a group. Click the name of the group you want to add members to, then click Edit. Under Add member start to enter a name or email address. When the contact appears on the list, click it. When you've added all the new members you want, click Save.
http://answers.microsoft.com/en-us/outlook_com/forum/opeople-ocontacts/how-do-i-adddelete-contacts-in-my-email-groups/fe10f0a5-d9c9-4268-83c8-ee93a209cd2f http://www.ehow.com/how_6513112_add-contacts-hotmail.html http://answers.microsoft.com/en-us/windowslive/forum/livemail-people/how-can-i-delete-all-my-contacts-in-live-mail/ca7ccde9-5bac-488e-ace4-09d3b0b90b8d http://ask-leo.com/how_do_i_delete_a_contact_in_hotmail.html http://windows.microsoft.com/en-us/windows/outlook/manage-people-contact-list http://windows.microsoft.com/en-us/windows/outlook/manage-people-contact-list
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