This Account Cannot be Added in Outlook Now – Solved
If you are trying to add an email account in Outlook for Windows and face an error This Account is Not Supported in Outlook for Windows then you are not alone. This issue typically occurs when the email account you’re trying to use is not compatible with the new version of Outlook, or your Microsoft 365 subscription doesn’t include desktop Outlook support.
Microsoft has introduced a redesigned Outlook experience, it comes with specific account and licensing limitations. Some accounts especially those from Microsoft plans, corporate environment accounts, third party services.
Why You Might See This Account is Not Supported in Outlook for Windows Error?
- Some Microsoft 365 plans like Basic or Improperly Configured E3 do not include access to Outlook desktop apps. This plan supports only the web and mobile version of Outlook, which leads to error when trying to use Outlook for Windows.
- The new Outlook for Windows, currently doesn’t support certain account types, including POP/IMAP, on-premises Exchange Server and custom domain names not managed by Microsoft. These limitations can prevent account setup even with a valid license.
Supported vs. Unsupported Accounts in New Outlook for Windows
| Account Type | Status | Notes |
| Outlook.com/Hotmail/Live/MSN | Supported | Notes |
| Microsoft 365(with Outlook desktop license) | Supported | Requires license that includes desktop apps(e.g., Business Standard) |
| Gmail | Supported | OAuth Required |
| Yahoo Mail | Supported | OAuth Required |
| iCloud Mail | Supported | OAuth Required |
| IMAP/POP(modern setup) | Supported | Must be allowed by organization, limited features |
| Microsoft 365(Business Basic, E1, No desktop | Unsupported | Does not include Outlook desktop app |
| On-Premises Exchange Account | Unsupported | Not Supported in New Outlook(use classic Outlook instead |
| Legacy POP/IMAP without OAuth | Unsupported | May be blocked or restricted by Microsoft |
| Custom domain emails(non-Microsoft hosted) | Unsupported | Varies by providers, often unsupported without proper integration |
| Multiple accounts from same providers(e.g.,2 Gmail accounts) | Partial Support | May cause sync issues in preview builds |
Common Causes Behind the Error
- Your Work or School Microsoft 365 account may not include Outlook desktop apps like Business Basic E1 are only supported by Web Version.
- New Outlook has limited support to add one or more than one email account from the same email provider such as Gmail or Yahoo.
- IT Admins may have policies to block personal account auditions, also added additional access rules or limited usage to specific account types especially in corporate or education environments.
Troubleshooting Steps
- Check your plan includes the Outlook desktop app( or license such as Business, Premium or Enterprise E3/E5).
- If your plan only supports web/mobile Outlook(Like Business Basic or E1)then you need to update your subscription.
- Policy-Based Restrictions and Admin Settings “IT Admins may block personal accounts.
- Conditional Access policies could restrict desktop login.
- Group Policy settings may disable account addition in New Outlook.
Temporary Workarounds(Where Available)
- Downgrade or license change: then try re-adding the account does not always work as it depends on server settings.
- You can use Thunderbird, Apple Mail or any other email client as Outlook classic end of life in 2029.
Future Enhancement and Microsoft RoadMap
- Microsoft plans to add support for more account types.
- Improvement to multi-account handling is expected.
Final Thoughts
This Account is Not Supported in Outlook for Windows often appears due to missing Outlook desktop license, unsupported account types or admin restrictions. To fix it, check your Outlook license, account types or admin restrictions. To fix it, check your Microsoft 365 plans including Outlook desktop then check New vs Old Outlook and select as per user requirement.