Edition 6You should upgrade if you are planning to install Microsoft Outlook 2016 / 2019 / 2021 / 365 . GeniusConnect 5th edition is not compatible with Outlook 2016 and higher.
GeniusConnect Edition 6 Installations:
GeniusConnect 32bitsRequirements: Microsoft Outlook 2000, 2002, 2003, 2007, 2010, 2013, 2016, 2019, 2021, 365 -32bits
Can be used on all 32 bits Outlook versions but will not support Non ASCII languages (Chinese, Japanese etc.).
GeniusConnect 32bits–UnicodeRequirements: Microsoft Outlook 2003, 2007, 2010, 2013, 2016, 2019, 2021, 365 -32bits
The Unicode version implements support for all languages.
GeniusConnect 64bits–UnicodeRequirements: Microsoft Outlook 2010, 2013, 2016, 2019, 2021, 365 -64bits
Users of Outlook 2013 and older with license for an old edition:
You can download old GeniusConnect editions here
https://www.geniusconnect.com/old-version-download/ (version 5.0.2.7 is the last update in the 5th Edition)