Fix Outlook Account Already Exists But Email Not Syncing
Question details
The user is unable to sync or receive emails from an external provider that has been added as an alias to an existing Outlook.com account.

- Product
- Outlook.com
- Device & OS
- not provided
- Scenario
- Attempting to receive emails from a third-party email provider using an Outlook.com alias.
- Observed behavior
- Emails from the external provider are not syncing or arriving independently because the address is configured merely as an alias rather than a connected POP account.
Ensure you have a stable internet connection and are able to log in to the web version of Outlook.com to access your mailbox settings.
Check Sync Email and Connected Account Settings
Verify if your external email address is properly configured as a connected account in Outlook.com.
An Outlook.com alias uses the same mailbox folders as your primary account and does not independently receive messages from other providers. To receive mail, the external address must be configured properly as a connected account.
Open your web browser and sign in to your Outlook.com account.
Click the Settings gear icon located in the top right corner of the page.
Go to Mail, then select Sync email from the settings menu.
Check the list of connected accounts to see if your external email address is listed.

Configure the External Account Using POP
Set up your external email address as a POP account to allow Outlook to fetch your messages.
Contact Outlook Support for Sync Delays
Reach out to Outlook.com support if your Microsoft accounts are experiencing severe sync delays.
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Frequently Asked Questions
Why doesn't my Outlook alias receive emails from another provider?
An alias only uses the same mailbox folders as your primary Outlook account. It does not actively import mail from an external mailbox unless the external address is configured as a connected account or via POP.
Why are my emails arriving slowly after setting up POP in Outlook?
A delivery delay is completely normal when an account is configured as a connected POP account. Outlook.com periodically checks and fetches mail from the external server, which can result in messages arriving slower than direct push email.
Can I add a new connected account to Outlook.com?
No. Microsoft discontinued the connected accounts feature in Outlook.com on May 10, 2021. If you already have a connected account set up, avoid removing it, as you will not be able to add it back.
How do I contact Outlook.com support for persistent email sync issues?
Sign in to Outlook.com using a web browser, click the Help (question-mark) icon, enter your question, scroll to the bottom of the help pane, and click 'Yes' under the 'Still need help?' prompt to reach the support team directly.




