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License & Subscription Issues

How to Fix Hotmail Storage Limit Issues with Microsoft 365 Family

Maira MehtabMaira Mehtab Sep 21, 2026 868 views

Question details

The user's Hotmail account is showing a storage full error despite having access to a Microsoft 365 Family subscription that includes 1 TB of storage, with only 5 GB currently used.

Product
Microsoft 365 Family / Hotmail
Device & OS
not provided
Scenario
Managing email and cloud storage limits with an active Microsoft 365 Family subscription.
Observed behavior
The Hotmail account reaches its storage limit and does not reflect the 1 TB storage allowance provided by the Microsoft 365 Family subscription.
Before you start

Ensure you have the login credentials for both the Hotmail account experiencing the issue and the primary Microsoft account that originally purchased the Microsoft 365 Family subscription.

Solution 1Recommended

Share the Microsoft 365 Family Subscription with the Hotmail Account

Use this solution if the Microsoft 365 Family subscription was purchased under a different account and needs to be linked to your Hotmail address to unlock the 1 TB of storage.

Microsoft 365 Family allows you to share your subscription with up to five other people. If your Hotmail account is separate from the primary purchasing account, the 1 TB storage won't apply automatically until the subscription is formally shared and accepted by the Hotmail account.

1
Sign in to the primary Microsoft account

Log in to the Microsoft account portal using the account that currently holds the active Microsoft 365 Family subscription.

2
Navigate to sharing settings

Go to the 'Services & subscriptions' tab and locate your Microsoft 365 Family subscription. Click on 'Manage' and then select the 'Start sharing' option.

3
Send a sharing invitation

Choose the option to 'Invite via email', enter your Hotmail email address that is experiencing the storage issue, and send the invitation.

4
Accept the invitation

Log in to your Hotmail account, open the invitation email from Microsoft, and click the 'Accept' button to link the 1 TB of storage to your account.

Sync Delay: It may take up to 4 hours for the new 1 TB storage limit to be reflected in your Hotmail account after accepting the sharing invitation.
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Frequently Asked Questions

Why does my Hotmail say storage is full when I have Microsoft 365?

This typically happens because the Microsoft 365 Family subscription is linked to a different Microsoft account. You must share the subscription from the purchasing account to your Hotmail account to apply the 1 TB storage allowance.

How long does it take for the 1 TB storage to appear after accepting the invitation?

After you accept the Microsoft 365 Family sharing invitation, it can take up to 4 hours for Microsoft's servers to update your Hotmail account's storage quota from 5 GB to 1 TB.

Can I share my Microsoft 365 Personal subscription to get more Hotmail storage?

No, the sharing feature is exclusive to the Microsoft 365 Family plan. If you have a Personal subscription, the 1 TB storage is only available to the single account that purchased it.