The head of the Office division at Microsoft played coy and dodged questions from analysts about plans to release an iPad version of Microsoft Office, stressing the current online versions and suggesting the program as a selling point for the company's beleaguered Surface tablet. Kurt DelBene was asked about the software at a Morgan Stanley technology conference in San Francisco, but instead pointed to iOS versions of some Office add-ons such as OneNote, Lync, SharePoint and its cloud-storage offering SkyDrive.