How to fix Authentication or Initialization failed on Outlook email

Question

my @tmmanagementservices.com.au or @tmmanagementservices.onmicrosoft.com address isn't loading the emails in Outlook.

I keep getting the following error message

Authentication or initialization failed. Click Reload to try again.

When I click Reload it still shows the message above.

How can I get my emails to load?

This only stopped when I purchased a new computer. All my other email accounts have loaded without any issues.

Your assistance with this would be greatly appreciated as currently I am having to sign in through Microsoft 365 and it is taking for ever to draft emails this way.

Answer 1

Hi @Meghan Hailey

Welcome to Q&A Community! 

Thank you for your patience and for sharing the details of your experience. I understand how disruptive it can be when email access is affected, especially when you rely on Outlook for daily communication. 

I’ve confirmed that your issue with the New Outlook for Windows is related to an active Microsoft service incident: 

• Incident ID: EX1181275 
• Impact: Users are unable to load email messages when opening conversations in Outlook on the web and the New Outlook for Windows client. 
• Root Cause: A recent service update changed the order of component loading during startup, which caused failures in message loading. 
• Status: Active – Microsoft engineering has identified the issue and initiated a fix. Monitoring is ongoing. 
• Next Update: Scheduled for October 29, 2025, at 1:00 PM UTC. 

While Microsoft works on resolving this, you can try some local troubleshooting steps as listed below. 

1. Sign out and remove cached accounts  
2. Clear Windows Credential Manager entries  
3. Repair or reinstall WebView2 Runtime  
4. Restart and re-add the account  

Please refer to this guide for detailed instructions: How to Fix Microsoft 365 Authentication and Initialization Errors in Outlook on Windows | Windows F… 

Please note that although I suggest reviewing the steps in the link above, please ensure you verify each instruction before applying it to your system for security and compliance purposes.  

Until the incident is fully resolved, please consider accessing your mailbox via Outlook on the web or use the classic Outlook desktop app if available. 

I truly appreciate your understanding and cooperation while Microsoft addresses this issue.  

Thank you again for your patience. 

---

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.