11.0.17
Q2 2023
Release date not yet set
10.6
Q4 2022
10.5
Q2 2022
10.3
Q1 2021
10.2
Q3 2020
10.1
Q2 2019
10
Q4 2017
9.2
Q2 2017
9.1
Q1 2017
9.0
Q3 2014
8.0
Q3 2012
7.1
Q2 2011
7.0
Cloud-Based
Browser
Q4 2009
Mobile
Q1 2010
Application and Outlook Add-In
Q1 2010
Customer-Hosted
Q2 2010
6.1
Q4 2009
–
5.0
Q2 2007
–
6.0
Q3 2008
–