When you disable your Preview subscription, all your data is deleted. You cannot undo this deletion.
You may be able to back up email and SharePoint data on your own; see Information about manual migration of SharePoint Online content in Office 365 and Use Outlook to Move Data Between Accounts.
After you've disabled your Preview subscription, your users and domain name remain intact. You can start a new trial or purchase a new subscription.
Would you like to disable your subscription?
When you delete the resource mailbox, you can restore it for up to 30 days after you delete it by going to Users & groups ...
When you delete the shared mailbox, you can restore it for up to 30 days after you delete it by going to Users & groups > ...
When you delete users, their data is deleted and their licenses can be assigned to other users. You can restore deleted users ...
When you delete users, their data is deleted and their licenses can be assigned to other users. You can restore deleted users ...
When you disable your Preview subscription, all your data is deleted. You cannot undo this deletion. You may be able to back ...
When you finish setting up your domain, all email will be delivered to the %BRAND_OFFICE_365_SHORT% accounts and stop going ...
When you first set up your domain, you can't use it with SharePoint Online together with Exchange Online and %BRAND_LYNC_ONLINE_SHORT%. ...
When you first set up your domain, you can't use it with SharePoint Online together with Exchange Online and %BRAND_LYNC_ONLINE_SHORT%.To ...
When you have multiple %BRAND_YAMMER% networks, we recommend that you consolidate the smaller networks into your %BRAND_OFFICE_365_SHORT% ...