In MSN Premium Software i go to Settings > All Settings > Get More from MSN > Get More Email Storage. It directs me to this page:
http://join.msn.com/?page=features/s...pgmarket=en-us


"Hotmail Extra Storage
Coming this winter: Storage that grows with your needs


Store more e-mail and send larger attachments by increasing your storage limit. With free MSN® Hotmail® you receive 2MB of inbox storage and can send up to 1MB attachments. Coming this winter, you can choose from four different storage upgrade levels.

All four levels include:

•
Automatic virus scanning and cleaning of e-mail attachments
•
Exemption from the Hotmail account expiration policy, even if you don't log on for a long time
•
Flexibility to send and receive your e-mail through Hotmail or Outlook® Express "

THEN AT NEOWIN.NEt I read :

"MSN Hotmail Extra Storage is changing this winter. MSN are opening new subscription based services for those wanting extra storage for their MSN Hotmail accounts. Four new options have been revealed for MSN Hotmail customers. The MSN Hotmail Extra Storage 10MB, 25MB, 50MB and 100MB. Each subscription is anual and contains the ability to send larger attachments, access to the Hotmail mailbox via Outlook or Outlook Express, exemption from the account expiration policy, and 30 MB of MSN Groups storage. Each subscription also comes with its relevant amount of Hotmail space.

The prices of each service is below:

MSN Hotmail Extra Storage 10MB = $19.95 annually, plus tax
MSN Hotmail Extra Storage 25MB = $29.95 annually, plus tax
MSN Hotmail Extra Storage 50MB = $39.95 annually, plus tax
MSN Hotmail Extra Storage 100MB = $59.95 annually, plus tax

Update:

MSN Premium subscribers will get 25MB of Extra Storage and will be able to send up to 10MB attachments. Access to MSN Hotmail via Outlook or Outlook Express is already included."