Development of Office 2013 was started in 2010 and ended on 11 October 2012 when it was released to manufacturing. On 29 January 2013, Office 2013 was released to general availability. This version includes new features such as integration support for online services (such as OneDrive, Outlook.com, Skype, Yammer, and Flickr), improved format support for Office Open XML (OOXML), OpenDocument (ODF) and Portable Document Format (PDF) and support for multi-touch interfaces. On 25 February 2014, Office 2013 Service Pack 1 (SP1) was released.