Yammer how-to guides: Connect to Yammer REST API using PowerShell. Get all Yammer groups using REST API and PowerShell. Get Yammer group members using REST API PowerShell. Delete Yammer groups and users with REST API PowerShell
How to connect to Yammer REST API using PowerShell. Register an App with Yammer, generate a developer token, connect to REST API and get a list of Yammer groups.
Yammer guides for IT Admins - Block access to Yammer - Viva Engage. Stop "Discover what's happening across your organization" emails from Yammer
How to fix Yammer error - Name is already in use by another community, user, or guest. Permanently delete (purge) soft-deleted Yammer Office 365 groups and SharePoint sites
UPDATED July 2023. How to remove Office 365 Yammer and Viva Engage licenses using PowerShell Set-MsolUserLicense. Find the right Office 365 product SKU and license plan name. Get the status of disabled Yammer licenses and re-enable all disabled license plans.
UPDATED July 2023 - To prevent access to Yammer, complete the following steps: Remove Office 365 Yammer license, remove Viva Engage Core license and enforce Office 365 identity in Yammer
Office 365 - How to stop "Discover what's happening across your organization" emails from Yammer being sent to All Users with an Exchange Online Transport Rule