I recently had to figure out a Skype for Business (SfB) Online user settings in the O365 Admin Center that was poorly understood – the user setting “For compliance, turn off non-archived features” as shown here:
The purpose of this setting is to allow Administrators to turn off SfB online communication features that cannot have the communication content captured by the in-place hold feature that is used with Exchange integration (the in-place hold is an Exchange feature configured in the Exchange admin center which allows archiving of communication to a special folder in the corresponding Exchange for compliance purposes).
This setting turns off the SfB features that cannot . . . → Read More: Demystifying a User Compliance setting in Skype for Business Online