This article provides the allowed upgrade paths for the Microsoft 365 application. Make sure you follow these paths when upgrading the app from one version to another one.


Destination Application Version
Allowed Source Application Versions
20.1
19.3 / 19.3.1 / 19.3.2
19.3.2
19.3 / 19.3.1
19.3.1
19.3
19.3
19.2 / 19.2.1 / 19.2.2 / 19.2.3 / 19.2.4
19.2.4
19.2 / 19.2.1 / 19.2.2 / 19.2.3
19.2.3
19.2 / 19.2.1 / 19.2.2
19.2.2
19.2 / 19.2.1
19.2.1
19.2
19.2
19.1 / 19.1.1 / 19.1.2 / 19.1.3 / 19.1.4
19.1.4
18.4.1 / 19.1 / 19.1.1 / 19.1.2 / 19.1.3
19.1.3
18.4.1 / 19.1 / 19.1.1 / 19.1.2
19.1.2
18.4.1 / 19.1 / 19.1.1
19.1.1
18.4.1 / 19.1
19.1
18.4.1