Find installed O365 apps version

To find version on single machine:

Get-ItemPropertyValue -Path HKLM:\SOFTWARE\Microsoft\Office\ClickToRun\Configuration -Name “VersionToReport”

 

 

To find version on multiple machines:

Invoke-Command -ScriptBlock {Get-ItemPropertyValue -Path HKLM:\SOFTWARE\Microsoft\Office\ClickToRun\Configuration -Name “VersionToReport”} -ComputerName PC1,PC2,PC3