Det fanns aldrig en Office version 4. Versioner av MS Office är:
- Office 1 (1989)
- Office 3 (1990)
- Office 4.2 (1992)
- Office 4.3 (1992)
- Office 95 (1995)
- Office 97 (1997)
- Office 2000 (1999)
- Office XP (2001)
- Office 2003 (2003)
- Office 2007 (2007)
- Office 2010 (2010)
- Office 2013 (2013)
- Office 2016 (2015)
- Office 2019 (2018)
- Office 2021 (2021)