Microsoft Office Version Compatibility

Latest versions for platforms

• Windows NT 3.51-Office 97
• Windows 95-Office 2000
• Windows NT4/98/ME-Office XP
• Windows 2000-Office 2003
• Windows XP/2003/Vista/Home Server/2008-Office 2007
• Mac OS 7.5-8.0-Office 98
• Mac OS 8.1-9-Office 2001
• Mac OS 10.1-Office X
• Mac OS 10.2-10.3-Office 2004
• Mac OS 10.4-10.5-Office 2008

Windows

Beginning in 2002, Microsoft instituted a policy of Support Lifecycles including: Earlier versions than Office 97 (including Outlook 97) are no longer supported.

• Office 97 (including Outlook 98) – Mainstream hotfix support ended on August 31, 2001. Extended hotfix support ended on February 28, 2002. Assisted support ended on January 16, 2004.
• Office 2000 – Mainstream support ended June 30, 2004. Extended support will end on July 14, 2009.
• Office XP – Mainstream support ended July 11, 2006. Extended support will end on July 12, 2011.
• Office 2003 - Mainstream support will end on April 14, 2009. Extended support will end on April 8, 2014.
• Office 2007 - Mainstream support will end on April 10, 2012. Extended support will end on April 11, 2017.
• Current and future versions - Mainstream support will end 5 years after release, or 2 years after the next release, whichever time is later, and extended support will end 5 years after that.

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