How to Fix AOL IMAP Login Errors When Adding an Account to Outlook
Question details
The user is unable to sign in to the AOL incoming IMAP server via Microsoft Outlook, despite using credentials that work perfectly in AOL webmail.

- Product
- Microsoft Outlook
- Device & OS
- Windows
- Scenario
- Adding an AOL email account to Microsoft Outlook using IMAP settings.
- Observed behavior
- Outlook fails to authenticate with the AOL server and displays an IMAP login error, rejecting the standard webmail credentials.
Verify whether you are using Classic Outlook or New Outlook for Windows, as New Outlook currently limits support for certain third-party IMAP accounts like AOL.
Generate and Use an AOL App Password in Classic Outlook
Classic Outlook requires a dedicated app password rather than your standard AOL account password to connect via IMAP securely.
Due to updated security protocols, AOL enforces two-step verification for third-party email clients. Using your standard webmail password in Classic Outlook will result in an IMAP login error.
Open a web browser, sign in to your AOL account, and navigate to the Account Security page.
If not already enabled, turn on two-step verification and verify your mobile phone number.
Click on 'Generate app password', select 'Outlook' from the drop-down menu (or enter a custom name), and click 'Generate'. Copy the 16-character password provided.
Open Classic Outlook, proceed to add or repair your AOL account, and paste the generated app password into the password field instead of your regular AOL webmail password.

Switch from New Outlook to Classic Outlook
New Outlook for Windows primarily supports Microsoft and select third-party accounts, often rejecting standard AOL IMAP setups.
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Frequently Asked Questions
Why does my AOL password work on the web but not in Outlook?
For security reasons, AOL requires third-party email clients like Microsoft Outlook to use a unique App Password instead of your standard webmail password. This prevents unauthorized access to your main account credentials.
Can I add my AOL account to New Outlook for Windows?
New Outlook primarily supports Microsoft accounts (such as Outlook.com and Hotmail) along with major providers like Gmail and Yahoo. Some third-party IMAP accounts, including AOL, may face compatibility issues. If it fails, switching to Classic Outlook is recommended.
What are the correct IMAP server settings for AOL Mail?
When setting up AOL manually via IMAP, use the following server settings: Incoming server is imap.aol.com (Port 993, requiring SSL/TLS). Outgoing server is smtp.aol.com (Port 465, requiring SSL/TLS).




