Set up and use the Yammer Android app
If you don't have Yammer installed, download it from the Google Play Store
Type your Office 365work or school account email address and password. Tap Log in.
Use Yammer to stay connected with your network
Edit your profile To add or update your profile, tap More > Accounts > My Profile. Then tap the section you want to edit.
Follow a conversation Tap the conversation to open it. Then tap More > Follow.
Add a post Tap to add a new post, and then tap Send
Set up and use the Yammer iOS app
If you don't have Yammer installed, download it from the App Store
Type your Office 365work or school account. Tap Log in.
Use Yammer to stay connected with your network
Edit your profile To add or update your profile, tap More > My Profile > Edit.
Follow a conversation Tap More > Follow. Type the name of the contact you're searching for.
View groups you're following Tap Groups and select one to view new posts.
Tap Edit to add a new post, and then tap Send.