Como hacer un backup de correo de un Deskless worker

To export Exchange Online data from a deskless worker’s mailbox Sign in to the Microsoft Online Services Sign In application with an account that has service administrator permissions on Microsoft Exchange Online.

  • From the Sign In application, start Office Outlook 2007. In Outlook, on the File menu, click Data File Management. Then, on the Data Files tab, click Add, select Office Outlook Personal Folders File (.pst), and then click OK. In File name, type the file name for the new folder, and then click OK. In Name, type the folder name that will appear in Outlook, and then click OK. The folder will appear in Outlook in your Mail Folders list. On the File menu, click Open, and then click Other User’s Folder. Click Name, select the name of the deskless worker account to be exported, select the folder from the list, and then click OK. The selected folder opens in Outlook. Select the items to be exported, right-click the selected items, click Move to Folder, select the destination folder, and then click OK. For information about managing .pst files, see How to manage .pst files in Outlook 2007, in Outlook 2003, and in Outlook 2002.

Lo dicho, antes no se podia pero ahora ya si Mucha mas info acerca de Exchange Online aqui