Hello William,
Thank you for reaching out to the Microsoft Q&A community. If you’re still seeing “Your storage is full” after purchasing additional storage, here are a few steps to resolve the issue:
- Verify Your Subscription Go to https://account.microsoft.com/services and confirm your Microsoft 365 subscription is active and linked to the correct account.
- Check Mailbox Storage Sign in to https://outlook.com > Settings (gear icon) > Account > Storage to confirm your mailbox size.
- Clear Browser Cache & Sign Out/In If using a browser, clear cache and cookies, then sign back in.
- Wait for Sync If you recently purchased storage, allow up to 48 hours for the update to propagate.
- Contact Microsoft Support If the issue persists beyond 48 hours, please contact us directly: https://support.microsoft.com/home/contact > Sign in > type "manage my subscription" > Switch to the Contact Support tab at the top (or click it at the bottom of the page) > Select Other Products > Manage My Subscription > Start chat.
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Best regards,
Sin Dau