Microsoft Office 2013 (formerly Office 15) is a version of Microsoft Office, a productivity suite for Microsoft
Windows. It is the successor to Microsoft Office 2010 and includes extended file format support, user interface updates and support for touch among its new features. Office 2013 is suitable for IA-32 and x64 systems and requires Windows 7, Windows Server 2008 R2 or a later version of either. A version of Office 2013 comes included on Windows RT devices. Mainstream support ends on April 10, 2018. Extended support ends on April 11, 2023.
Development on this version of Microsoft Office was started in 2010 and ended on October 11, 2012, when Microsoft Office 2013 was released to manufacturing. Microsoft released Office 2013 to general availability on January 29, 2013. This version includes new features such as integration support for online services (including 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. Microsoft Office 2013 comes in twelve different editions, including three editions for retail outlets, two editions for volume licensing channel, five subscription-based editions available through Microsoft Office 365 program, the web application edition known as Office Web Apps and the Office RT edition made for tablets and mobile devices. Office Web Apps are available free of charge on the web although enterprises may obtain on-premises installations for a price. Microsoft Office applications may be obtained individually; this includes Microsoft Visio, Microsoft Project and Microsoft SharePoint Designer which are not included in any of the twelve editions. On February 25, 2014, Microsoft Office 2013 Service Pack 1 (SP1) was released.