Email, Messaging, & Video Calls Email Add a Sender or Recipient to Your Yahoo Mail Contacts Save time with this Yahoo Mail tip By Heinz Tschabitscher Writer A former freelance contributor who has reviewed hundreds of email programs and services since 1997. our editorial process Heinz Tschabitscher Updated February 23, 2020 Email Yahoo! Mail Gmail Tweet Share Email When you open an email from an individual or send a message to someone, you can quickly add the person to your Yahoo Mail Contacts in Yahoo's Classic Mail without having to open the Contacts and type in the name and other information. Yahoo Mail can pick up information from an email, which makes adding senders or recipients to your address book a snap. Add a Sender or Recipient to Yahoo Classic Mail Contacts To quickly add an email's sender or recipient to your Classic Yahoo Mail address book: Open the email message. Select the name of the person you want to add to your address book. It doesn't matter if the person was the sender or not. As long as the name is there, you can select it. Lifewire Select the three-dot More icon in the upper-right corner of the message window to open a list of actions. Lifewire Select Add Sender to Contacts at the bottom of the list. A Create Contact pane opens on the right side of the window with the name populated, along with any other information pulled from the email. Enter any additional information you have for the contact you want to add, such as a phone number, nickname or alternate email address. Lifewire Select Save. A message will appear, informing you that the new contact is added to your contacts list. Add All Email Addresses to Yahoo Classic Mail Contacts If you are using Yahoo Classic Mail, You can also choose to add the email address of every new email recipient automatically. Select the Settings icon at the top right corner of the Mail screen. Lifewire Choose More Settings at the bottom of the list. Lifewire Select the Writing email tab in the left pane of the window. Lifewire Confirm that Automatically add new recipients to Contacts is selected. Select Save. How to Edit Yahoo Mail Contacts When you have more time, you may want to add additional information to the Contacts. From your email screen, select the Contacts icon at the top left corner of the screen. Your contacts list will open in a new pane on the left side of your mailbox. Lifewire Select the contact you want to edit. The contact will open. Select the three dots in the upper-right corner of the contact pane and choose Edit Contact from the drop-down menu. Lifewire A Create Contact pane opens on the right side of the window with the name populated, along with any other information pulled from the email. Enter any additional information you have for the contact you want to add, such as a phone number, nickname or alternate email address. Select Save.