If you have set up a Microsoft Exchange ActiveSync account on your phone, you can also synchronize Exchange ActiveSync calendar events on your phone. Calendar events on your Exchange ActiveSync will also show in Calendar if you chose to synchronize with the Exchange ActiveSync Server.
- From home, tap Apps > Settings > Accounts > Accounts > Microsoft Exchange ActiveSync.
- To confirm your sync settings, tap the account name and make sure the Sync Calendar box is selected. Tap Back to return to the sync menu.
- Tap Sync all.