Yammer offers local data residency to help meet data residency requirements. We commit to store message bodies and files attached to messages at rest within a specific geographical area (Geo). The country you enroll in Office 365 from will determine which Geo your Yammer Enterprise network is associated with. For a new Yammer Enterprise network, Microsoft will store Yammer message bodies and files in legacy Yammer Groups at rest in the Yammer Enterprise network Geo.
Yammer files are saved either in Yammer cloud storage, or for Office 365 connected groups, some Yammer files are stored in SharePoint. Yammer files saved in SharePoint will be stored in SharePoint Online per your SharePoint Online data residency policy.
Mobile push notifications require sending data to a third party notification service (Apple or Google), which might be outside your Geo.
Features not available for Yammer networks in the EU Geo
The following Yammer features are not available for Yammer networks in the EU Geo:
Only users in your Office 365 tenant can participate in your Yammer Enterprise network.
External guests can’t participate in your Yammer Enterprise network.
Your users can’t participate in other Yammer networks.
External groups can't be created.
Determine which Geo your network is in
Log in to Yammer as a Verified Admin.
Click the Settings icon, click Network Admin, and then click Success.
In the New Network Checklist section:
If your network is in the EU, you'll see Yammer network activated in the EU Geo.
If your network is in the US, you'll see Yammer network activated in the US Geo.
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