Required Processor
1 gigahertz (Ghz) or faster x86- or x64-bit processor with SSE2 instruction set

Required Operating System
Windows 8, Windows 7, Windows Server 2008 R2, or Windows Server 2012

Required Memory
1 GB RAM (32 bit); 2 GB RAM (64 bit)

Required Hard Disk Space
3.0 GB available

Required Display
Graphics hardware acceleration requires a DirectX10 graphics card and 1024 x 576 resolution

.NET version
3.5, 4.0, or 4.5

  Required Browser
Microsoft Internet Explorer 8, 9, or 10; Mozilla Firefox 10.x or a later version; Apple Safari 5; or Google Chrome 17.x.

Multi-touch
A touch-enabled device is required to use any multi-touch functionality. However, all features and functionality are always available by using a keyboard, mouse, or other standard or accessible input device. Note that new touch features are optimised for use with Windows 8.

  Additional requirements and considerations
Some functionality may vary, based on the system configuration. Some features may require additional or advanced hardware or server connectivity.

Instant Search requires Windows Search 4.0.

Be sure to connect Outlook 2013 to the supported versions of Exchange: Exchange 2007, Exchange 2010, or Exchange Server 2013. Outlook 2013 is not supported on Exchange 2003.

Some features require Exchange Server 2013 and Lync Server 2013.

For a list of some new Outlook 2013 features that are enabled with Microsoft Exchange Server 2013 see What's new in Outlook 2013.

Office Communicator 2007 R2, Microsoft Lync 2010 and Lync 2013 are supported with Outlook 2013. Office Communicator 2005 and Office Communicator 2007 are not supported.

Certain inking features require Windows 7 or Windows 8.

Speech recognition functionality requires a close-talk microphone and audio output device Information Rights Management features require access to a computer that runs Windows Server 2003 with SP1, Windows Server 2008, Windows Server 2008 R2, or Windows Server 2012 and Windows Rights Management Services.

Dynamic calendars require server connectivity.