When Microsoft 365 stops working as expected, start with the shortest official checks before you reinstall anything.
Problem Description: Need Moderator Help Locked
I urgently need assistance because I am completely locked out of my Microsoft 365 global admin account. This issue began when I got a new phone, and the Microsoft Authenticator app on the new device is not working. My old phone is gone, so I no longer have access to the original Authenticator app where my MFA codes were stored. When I try to sign in, the only options are to approve a request in the Authenticator app or enter a verification code from the app. I cannot do either because I cannot access the old device. There are no backup MFA methods available—no SMS, no alternate email, and no other verification options. “Try another way” does not provide any usable recovery path. I have spent hours trying to contact Microsoft support, but I have not been able to get help. I was given a case number and told someone would reach out within 24 hours, but I need help more urgently because I cannot access my tenant at all. I have also been told that support calls can come at random times during the day, and if I miss the call, I have to start the entire process over again. This makes it extremely difficult to resolve the issue through normal support channels. I attempted the account recovery form, but I cannot complete it successfully. I am the only global admin on this tenant, so there is no secondary admin who can reset my MFA or restore access for me. At this point, I am fully locked out of my tenant and unable to manage any Microsoft 365 services. This requires an elevated reset or verification that only a Microsoft moderator can initiate. I urgently request moderator assistance to regain access to my global admin account. - [@VEMULA SRISAI ](/users/na/?userid=73850df6-b494-4aae-9ebe-153c077c78d3)I saw you helped others so I am tagging you here. Thank you
Quick Answer for Microsoft 365 Setup on New Device
Since you lack functional Multi-Factor Authentication methods, immediately contact Microsoft 365 support using the regional phone number listed on the official admin support page.
Likely Causes Behind MFA Root Factors
The Microsoft account or license context may not match the purchase or device.
Cached credentials, outdated builds, or damaged local components can trigger mfa & verification issues.
A file-specific corruption or add-in conflict can mimic a broader application failure.
Recommended Solution: Repairing Microsoft 365 Startup Issues
When to use this: Apply these steps when the symptoms match and you can access the relevant Microsoft account or administrator.
Clearly explain that you are locked out as the sole global administrator and request an urgent MFA reset.
You must be prepared to thoroughly verify your identity and prove organizational ownership by submitting official business documentation or domain control records.
If other cloud services administrators exist in your tenant, coordinate with them to manually reset your authentication settings.
For future prevention, configure a designated emergency access account with separate credentials to bypass administrative lockouts.
Alternative Solutions for Secondary Login Fixes
Retry the Microsoft-side steps after restarting the app and device.
Test the same action in a private browser session or a new blank file to isolate account vs file issues.
Capture exact error text and screenshots before contacting Microsoft Support or your administrator.
Working with WPS Office: WPS as a Local Alternative

WPS Office cannot replace Microsoft account, activation, or cloud fixes for this scenario. It remains one of the best free Microsoft Office-compatible alternatives for opening and editing local files.
Download and install WPS Office from the official website.
Open local Word, Excel, PowerPoint, or PDF files in the matching WPS app.
Save a working copy locally while Microsoft-side issues are resolved.
Return to Microsoft Office after the primary fix succeeds.
If you need a practical local workspace in the meantime, try WPS Office.
Prevention Tips for Keeping Microsoft 365 Stable Long Term
Keep one primary Microsoft account for subscriptions and Office sign-in.
Install updates for Office and Windows before retrying failed workflows.
Back up important files before repair, reset, or reinstall actions.
Register more than one MFA method and keep recovery contacts current.
FAQs About Microsoft 365 Support Questions
Can WPS Office fix this mfa & verification issues issue directly? Only when the WPS steps match the formatting or file task. Account, activation, and cloud issues stay on the Microsoft side.
Should I reinstall Microsoft 365 before trying these steps? Not first. Confirm account, license, and the exact error before reinstalling.
What should I send to Microsoft Support? The affected account email, device type, Office version, exact error text, and screenshots with personal data hidden.




