Account Locked & Blocked

Fix Microsoft 365 Account Blocked Requiring a Phone Number

Maira Mehtab Sep 28, 2026 868 views

Question details

The user is unable to access an Outlook account linked to a Microsoft 365 Family subscription because the account has been blocked and now mandates a phone number for verification, which the user prefers not to provide.

Product: Microsoft 365 / Outlook.com
Device & OS: not provided
Scenario: Signing into an Outlook account used by a Microsoft 365 Family member.
Observed behavior: The system blocks account access and prompts the user to enter a phone number to unblock it.

Before you start

Confirm whether the affected email address is an Outlook.com account or a third-party email, and verify if the account can be accessed through an incognito web browser.

Solution 1Recommended

Use the Microsoft Account Recovery Form

If you do not want to provide a phone number for verification, you can bypass this step by submitting an online account recovery form directly to Microsoft support.

Microsoft requires a phone number when it detects unusual activity to prevent unauthorized access. If you refuse to provide one, the standard alternative is proving your identity via their specialized recovery form.

Navigate to the recovery page

Open a web browser and go to the official Microsoft Account Recovery page (account.live.com/acsr).

Enter account details

Input the blocked email address and provide an alternate email address where Microsoft can reach you.

Submit verification data

Fill out the questionnaire with as much accurate information as possible, such as old passwords, subjects of recently sent emails, and contacts, then click 'Submit'.

Processing Time: Microsoft's automated system typically reviews account recovery forms within 24 hours and will send the results to your alternate email.

Solution 2

Verify Account Status via Web Browser

Determine if the block is specific to the desktop application or applies to the Microsoft account entirely.

Free Microsoft Office alternative

Switch to WPS Office to Avoid Subscription and Account Hassles

If you are tired of dealing with mandatory phone verifications, blocked accounts, and complex Microsoft 365 Family sharing limits, WPS Office offers a lightweight, hassle-free, and highly compatible alternative.

1. Download WPS Office: Visit the official WPS Office website and download the free installation package for your operating system.
2. Install the software: Run the installer and follow the simple on-screen instructions to set up the suite on your device.
3. Open your files: Double-click your existing Microsoft Office documents to open, edit, and save them directly in WPS Office.

Use basic offline features immediately without mandatory phone number verification.Fully compatible with Microsoft Word, Excel, and PowerPoint formats (.docx, .xlsx, .pptx).No complex family sharing links; simple installation for individual devices.Familiar, intuitive user interface for a smooth and seamless transition.

microsoft office alternative - wps office

Frequently Asked Questions

Why does Microsoft 365 ask for a phone number?

Microsoft requests a phone number as an anti-spam and security measure. It triggers when the system detects unusual login behavior, bulk email sending, or when an account is created from a flagged IP address.

Does Microsoft 365 Family sharing automatically create email accounts?

No, sharing a Microsoft 365 Family subscription only grants access to the Office applications and OneDrive storage. The invited user must use their own independent Microsoft or Outlook.com account.

Can I use Microsoft 365 without an Outlook.com account?

Yes. You can link a Microsoft account to any valid third-party email address (such as Gmail or Yahoo) and use it to activate and access your Microsoft 365 subscription.

Login & Account Issues