Outlook is supported both on Windows and Mac OS. While there is only one version of Outlook for Mac - Outlook 2011, there are several Outlook for Windows versions.

Each version has a different interface, but you can also find out what client you're using by viewing About Outlook information:

  • File > Office Account > About Outlook > Outlook 2016

  • File > Info > Office Account > About Outlook - Outlook 2013
  • File > Help - Outlook 2010
  • Help > About Microsoft Office Outlook - Outlook 2007/2003
     

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