M365 Billing account profile Blocked

Pay every outstanding invoice first; whether the billing account or profile then becomes usable automatically depends on whether its displayed status is Past due/Disabled, Locked, Blocked, or Terminated.

If it is inactive or disabled because of past-due invoices

1. Sign in to the Microsoft 365 admin center with a Billing Account Owner or an administrator who has billing permissions.
2. Go to Billing → Bills & payments.
3. Select the affected billing profile and pay every invoice with a remaining balance.
4. Update the payment method if the existing one is invalid or declined.
5. Return to Billing → Billing accounts, open the account, and check its status.

Microsoft’s guidance states that outstanding invoices must be paid to remove a non-payment suspension.^1^

Do not create another billing profile merely to bypass the debt. If the balance is paid but the profile remains disabled or past due, the status requires billing support to reconcile or unblock it.

If the status is “Locked”

A locked billing account can be re-enabled without creating a new one, provided it has not been submitted for deletion:

1. Go to Billing → Billing accounts.
2. Select the locked account.
3. On its properties page, select Re-enable account.
4. Review the account name and select Re-enable account again.

The status should change to Active, and purchasing capability is restored immediately. This self-service operation is for a locked MCA billing account and must be performed by a billing account owner.^1^

Therefore, if your second issue literally shows Locked, paying invoices alone is not the complete action—pay any balance and then use Re-enable account.

If the status is “Blocked”

“Blocked” is different from “Locked.” A billing account blocked by Microsoft cannot be restored through the Re-enable account button:

• If the subscriptions were purchased directly from Microsoft, contact Microsoft Support.
• If purchased through a CSP, reseller, partner, or Enterprise agreement, contact that partner or account manager.

Microsoft warns that an unresolved blocked account can progress through subscription suspension, tenant deauthorization, and account termination. Termination is irreversible.^1^

For a direct Microsoft purchase, an administrator can open a billing request from:

1. Microsoft 365 admin center → Help & support.
2. Describe the issue as: “Billing account/profile remains blocked or disabled after all past-due invoices were paid.”
3. If the suggested results do not resolve it, select Contact Support.
4. Choose phone or email and provide the affected billing account/profile name and payment confirmation.

Microsoft 365 business support requires an administrator. If all subscriptions were purchased through a partner, support must come from that partner.^2^

About inactivity

An account is classified as inactive only after at least 12 months with no usage, no sign-ins, and no open or pending support requests; Microsoft then sends a 30-day warning before blocking it.^1^

Because you mentioned non-use and non-payment only since January, do not assume the account was blocked under that inactivity process. Check the exact status and any Microsoft notification:

• Past due/Disabled: pay all invoices; escalate if the status does not clear.
• Locked: pay any balance, then select Re-enable account.
• Blocked: contact Microsoft billing support or your partner.
• Terminated/Deleted: it cannot be re-enabled; support must confirm whether a new billing account or subscription is required.

Avoid deleting either billing account. Deletion is permanent, removes access to its billing history, and—if it is the tenant’s only billing account—can also queue the associated Microsoft Entra tenant for deletion.^1^

References

1. Keep your Microsoft business billing account active
2. Get support for Microsoft 365 for business