Envío, recepción y organización de correo electrónico en Outlook.com
Hello, thank you for reaching out to Microsoft Q&A.
The issue where Outlook continues to report that your mailbox is full even after you have upgraded your storage is a known, ongoing problem. This issue has already been reported, and Microsoft is currently working on a fix. The problem is expected to be resolved within 24 hours.
(The image is in English. We recommend using a translator if required)
For more details, refer to this discussion thread, where Microsoft employee and moderator 'Gabe Bratton' shared this information.
The thread is in English; we recommend using a translator if required.