Policy
Specify activity feed synchronization interval
This policy setting specifies the minimum interval that Office waits before requesting activity feed information from social networks for a given contact. If you enable this policy setting, Office waits for at least the specified interval before requesting a new activity feed for each contact. If you disable or do not configure this policy setting, Office waits for at least the default interval (60 minutes) before requesting a new activity feed for each contact.
b61318f17279 L_SpecifyActivityFeedSynchronizationInterval Registry
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HKCU\software\policies\microsoft\office\outlook\socialconnector\activitysyncinterval Policy notes
This policy setting specifies the minimum interval that Office waits before requesting activity feed information from social networks for a given contact. If you enable this policy setting, Office waits for at least the specified interval before requesting a new activity feed for each contact. If you disable or do not configure this policy setting, Office waits for at least the default interval (60 minutes) before requesting a new activity feed for each contact.