Updates are automatically applied if you restart the app. Whenever a new version of the Yammer app becomes available, you will be notified to update the app. Once you're in, set up your notification preferences, see Enable or disable your email and phone notifications. Note: If your organization supports SSO, you'll be signed in automatically after launching the app. You need an Microsoft 365 account to sign in. Sign in to Yammer and set your notification preferences Mac: Drag the Yammer app to your applications folder. You must have permissions to install apps on your computer. Yammer account using Microsoft 365 identity Along with streamlined log in and SSO support, the app integrates with native operating system capabilities such as notifications, shortcuts, and launch on startup. The desktop app is a native client for Mac and Windows with the full functionality of Yammer.