Fix Hotmail Account Says Email Address Does Not Exist Error
Question details
The user is unable to sign in or use their Hotmail address because the system states the email does not exist, yet simultaneously reports it as already taken or part of a reserved domain.
- Product
- Hotmail / Microsoft Account
- Device & OS
- not provided
- Scenario
- Attempting to sign into a long-standing Hotmail account or trying to add it as an alias to another existing Microsoft account.
- Observed behavior
- Microsoft rejects the email address, displaying an error that it does not exist or is incorrectly formatted, while also preventing alias creation by flagging it as a reserved domain.
Verify that your Hotmail account has not been deleted due to long-term inactivity, and double-check the exact spelling of the domain (e.g., @hotmail.com versus @outlook.com).
Sign In Directly with Original Credentials
Log directly into the Hotmail account rather than attempting to link it as an alias to another Microsoft account.
If your Hotmail address belongs to a separate, existing Microsoft account, it cannot be added as an alias to a different account. Attempting to do so will result in confusing errors indicating the email is taken or doesn't exist in the context of an alias.
Navigate to the official Outlook.com or Microsoft Account sign-in page in your web browser.
Type your original @hotmail.com address carefully. Do not use a newer Outlook address if your goal is to access the legacy Hotmail inbox.
Provide the original password associated with that specific Hotmail account to access your emails directly.
Check for Reserved Domain Restrictions
Understand Microsoft's alias limitations regarding legacy email domains to avoid incorrect formatting errors.
Contact Microsoft Account Support
Reach out to official support if the account remains inaccessible and you are certain it hasn't been deleted for inactivity.
Work Without Interruption Using WPS Office
While resolving Microsoft account login and reserved domain errors can halt your productivity, you don't have to stop working. WPS Office offers a powerful, lightweight alternative that doesn't restrict you with complicated account merging or alias issues.
- 1. Download the Software: Visit the official WPS Office website and download the free installation package for your device.
- 2. Install WPS Office: Run the installer and follow the simple on-screen instructions to set up the software.
- 3. Open Your Documents: Launch WPS Office and immediately open your existing Office files to continue working seamlessly.
Frequently Asked Questions
Why does Microsoft say my Hotmail email doesn't exist but is already taken?
This contradiction usually occurs when you try to add an existing Hotmail account as an alias to another Microsoft account. The system recognizes the address exists (it's already taken by you) but cannot process it as an alias (it does not exist as an available alias option).
Can I merge two Outlook or Hotmail accounts?
No, Microsoft does not currently allow you to merge two separate accounts. You also cannot add an existing Microsoft account email address as an alias to a different Microsoft account.
What is a reserved domain in Microsoft accounts?
Microsoft considers legacy domains such as @hotmail.com, @live.com, and @msn.com as reserved domains. Addresses with these domains cannot be reassigned or attached as aliases to other existing accounts.
Will my Hotmail account be deleted if I don't use it?
Yes. If a Microsoft account remains inactive for over two years, Microsoft may automatically permanently delete it. Once deleted, the email address cannot be recovered or recreated by anyone.
