In its drive to integrate OneDrive deeply with all of its core products, Microsoft has made the open and save operations in Office 2013 a bit ponderous. If you’re already syncing your OneDrive content to the PC—or if you intend to only use local folders regardless—you can configure various Office applications to open and save files more efficiently. Here’s how.
Source : Office 2013 Tip: Skip the Cloud Integration - Thurrott.com