Software & Apps MS Office How to Change the Default 'From' Address in Outlook.com Stop manually changing the From field in Outlook 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 November 14, 2019 MS Office Outlook Word Excel Powerpoint Tweet Share Email You can edit the From line of any Outlook.com email you send one email at a time. If you prefer to set up a default address for the From line so you don't have to change it manually, you can do that. Instructions in this article apply to Outlook.com and Outlook Online. Change the Default From Address in Outlook.com You may have several email addresses you use with Outlook.com. These are called connected accounts. Up to 20 email accounts can be connected in Outlook.com to import and manage your mail in one place. Use one of these connected accounts or a different email address as your default From address. To designate the email address to be used by default in the From field in messages you compose using Outlook.com: Select Settings (the gear icon in the top navigation bar). Select View all Outlook settings. In the Settings dialog box, select Mail > Sync email. The Manage your connected accounts section lists your synced email accounts. Select the Set default From address dropdown arrow. Choose the account you want to use by default in the From field when you send new emails. Select Save when you're done, then close the Settings dialog box. New emails that you send will show the name you configured as the default account on the From line. Send a New Email or Reply Using a Custom From Address in Outlook.com To choose a different address for the From line of an email you are writing in Outlook.com: Select New Message at the top of the Mail screen to open a new email message. In the From field, select the contact name. Select the desired account address you want to use in the From line. Or, enter a different email address. Compose the message and send it. How to Add Connected Accounts to Outlook.com To add an account to the connected account list: Select Settings (the gear icon in the top navigation bar). Select View all Outlook settings. Select Mail > Sync email. In the Add a connected account section, select Gmail to add a new Gmail account or select Other email accounts to add an account from any other email service. Enter your Display name, email address and password for the account. Select where the imported email will be stored. You can either create a new folder and subfolders for imported email, or you can import it into your existing folders. Select OK to finish. In the Settings dialog box, select Save. Then, close the Settings dialog box.