Thanks for posting your question. I understand how frustrating it is when a Microsoft account is locked and the sign‑in page keeps saying you must use a “supported browser,” even though you already are.
Please kindly note that this is a public community forum, I do not have the ability, tools to unblock, recover accounts or bypass security. Only Microsoft’s official recovery process can restore access.
Please make sure you follow the correct steps below to recover your locked account:
- On a desktop or laptop, open Microsoft Edge, Chrome, or Firefox (fully up to date).
- Go to https://account.microsoft.com.
- Sign in with the locked account and follow any on‑screen instructions to request a security code or unlock the account.
If the page never offers an option to request a code and instead keeps looping, blocking sign‑in, or repeatedly showing an unsupported browser message, please try submitting the Microsoft Account Recovery Form. This is the only supported way to verify ownership when you no longer have access to the account.
- Go to: https://account.live.com/acsr
- Enter your locked out email and an alternate email where Microsoft can contact you.
- Provide as many accurate details as possible, such as old passwords, frequent contacts/subject lines and submit from a familiar device/location.
- Wait 24–72 hours for a response. You may refine and resubmit up to twice per day.
- Please see this official guide to help you fill out the form more accurately: Help with the Microsoft account recovery form - Microsoft Support
If you prefer to speak with a live support agent, you can contact Microsoft Support directly for further assistance:
- Go to Contact - Microsoft Support
- In the search box, type the brief description of your issue.
- Click "Get Help", then scroll to the bottom and select "Contact Support”.
- When prompted to select Products & Services, select "Other Products"; Under Category, select "Manage account security".
- Look for and select "Chat with a support agent in your web browser" (during business hours) or a similar callback option (if available). Explain your situation clearly.
You can also see: Microsoft account has been locked - Microsoft Support
Thank you for your understanding and patience. Please feel free to let me know how it goes.