Unable to access email

Jim Jones 0 Reputation points
2025-12-13T19:43:31.15+00:00

I have been unable to access my email for 4 months now am getting the follow error. Can this be resolved?

UTC Date: 2025-12-13T19:18:57.570Z
Client Id: [Moderator note: personal info removed]
Session Id: 
Client Version: 20251205004.12
BootResult: fail
Back Filled Errors: Unhandled Rejection: SyntaxError: Failed to execute 'json' on 'Response': Unexpected end of JSON input:undefined|undefined:undefined|undefined:undefined|undefined:undefined
err: Error: 401
esrc: StartupData
et: ServerError
estack: Error: 401
    at Object.w [as createStatusErrorMessage] (https://res.public.onecdn.static.microsoft/owamail/hashed-v1/scripts/owa.mailindex.c4457bec.js:2:8712)
    at https://res.public.onecdn.static.microsoft/owamail/hashed-v1/scripts/owa.mailindex.c4457bec.js:2:41219
st: 401
efe: SA0PR11CA0102
Microsoft 365 and Office | Access | For business | Other
0 comments No comments
{count} votes

2 answers

Sort by: Most helpful
  1. Q&A Assist
    2025-12-13T19:44:39.74+00:00
    AI generated content. This question contains an answer created with AI from Q&A Assist. Learn more

    The error you are encountering, specifically the 401 status code, indicates an authentication issue. This typically means that your credentials are not being accepted or that there is a problem with your session. Here are some steps you can take to resolve this issue:

    1. Check Your Credentials: Ensure that you are using the correct email address and password. If you have recently changed your password, make sure to update it in your email client.
    2. Clear Cache and Cookies: Sometimes, cached data can cause issues with authentication. Clear your browser's cache and cookies, or try accessing your email from a different browser or device.
    3. Verify Account Status: If your account has been inactive for a long period, it may have been disabled. Check with your IT department or the email service provider to confirm the status of your account.
    4. Contact Support: If the issue persists, consider reaching out to Microsoft Support for assistance. They can provide more specific guidance based on your account and the error details.
    5. Check for Service Outages: Occasionally, there may be service outages affecting email access. You can check the Microsoft 365 service status page for any ongoing issues.

    If you follow these steps and still cannot access your email, it may be necessary to escalate the issue to your organization's IT support or Microsoft Support directly.

    0 comments No comments

  2. Kai-L 7,335 Reputation points Microsoft External Staff Moderator
    2025-12-13T21:09:40.42+00:00

    Dear @Jim Jones,

    Thank you for reaching out to Microsoft Q&A forum.

    I am genuinely sorry to hear about this difficult and concerning situation. Being unable to access your email for four months is deeply frustrating and impacts your ability to work, and I appreciate you providing the detailed YAML output to help diagnose the underlying technical problem.

    As a forum moderator, I genuinely wish I could directly access your account or delve into the backend systems to diagnose and fix this for you. However, our role here is limited to providing general guidance and solutions that can be applied by users.  

    Since you haven’t specified your account type, I may not be able to provide an exact solution. However, assuming you're using a Work/Business account managed by an organization, you may consider the following steps: 

    1. Clear Browser Cache and Cookies (Most Critical Step)

    Your browser is likely storing a corrupted or expired authentication token, which it sends with every access request, leading to the 401 status.

    • Completely clear the cache, cookies, and stored website data for the time range "All time."
    • You can do this via the three dots next to your profile picture > Settings > Clear browsing data.
    • Try Incognito/InPrivate Mode: After clearing, try logging in again using a private browsing window (Incognito in Chrome, InPrivate in Edge) to ensure no extensions or residual cache files interfere.
    • Try a Different Browser: If Edge/Chrome fails, try Firefox or another browser entirely.
    1. Contact your IT Administrator

    The Microsoft 365 Global Administrator for your organization is the only person who can resolve server-side issues affecting user accounts. You must contact them immediately. If you don't know who your IT administrator is, please refer to this article: How do I find my Microsoft 365 admin? - Microsoft Support 

    The administrator needs to perform the following checks within the Microsoft 365 Admin Center:

    • License Verification: Confirm that your Exchange Online license is still active and properly assigned to your user account. A 401 status can occur if the license was inadvertently removed or expired.
    • Authentication Reset: Clear all your current authentication methods and tokens.
    • Sign-Out Everywhere: Force your account to sign out of all active devices and browser sessions.
    • Multi-Factor Authentication (MFA) Reset: If MFA is enabled, the Admin can reset this for your account. This clears all old settings and forces a clean setup on your next login attempt.
    • Password Reset: The Admin should perform a remote password reset for your account, which forces the creation of a clean security token.

    Your immediate step is to contact your organization's IT support or the person who manages your organization's Microsoft accounts.

    For additional assistance, use this link to find the appropriate contact number: Global Customer Service phone numbers - Microsoft Support 

    I truly hope you get your issue resolved swiftly. Please know that even though I can't directly intervene, directing you to the correct, specialized support is the most effective help I can provide from my position. Thank you for your patience and understanding. I'm looking forward to your reply. 


    If the answer is helpful, please click "Accept Answer" and kindly upvote it. If you have extra questions about this answer, please click "Comment".  

    Note: Please follow the steps in our documentation to enable e-mail notifications if you want to receive the related email notification for this thread. 

    0 comments No comments

Your answer

Answers can be marked as 'Accepted' by the question author and 'Recommended' by moderators, which helps users know the answer solved the author's problem.