Microsoft today updated Office for Android apps in Play Store. In this update, Microsoft has added the ability to generate and share links to documents in your OneDrive and OneDrive for Business right within the app. To share a link, you can now just open a document from your OneDrive or OneDrive for Business, tap on the context menu, tap Share and then choose Email as link.
With today’s update you’ll get the same integration in Office Mobile for Android phone, including the ability to:
•Add Dropbox as an online storage location.
•Browse your files on Dropbox from your Office Mobile app for Android phones.
•Use Office Mobile app for Android phones to edit your Dropbox files, and automatically save them back to Dropbox.
•Share your files, right from Office Mobile for Android phones.
Source: Office Blogs