Outlook.com users can enable forwarding of emails message to another account using the option available as part Managing your account under Inbox > Options.
Step 1: Login to Outlook.com account, click Settings icon and select More mail settings from the list.
Step 2: In the Mail settings screen, navigate to Managing your account section and click Email forwarding option.
Step 3: Now to forward emails from your Outlook.com account, select the radio option Forward your mail to the following email accounts and enter an email address.
Step 4: If you want to retain a copy of original message in your Outlook inbox then mark the checkbox with caption as “Keep a copy of forwarded messages in your Outlook inbox”.
Step 5: Click the done button after making the necessary changes.