To help Outlook Mobile and your device run better, you can clear space on your Android device. This space is used for storing data like music, photos, and apps.
- Open your device's Settings app.
- Tap Storage.
- Tap a category.
Some suggestions:
- Move pictures to a computer or cloud service and delete the copy from device.
- Uninstall apps that you are no longer using.
- Remove music and other files that you are no longer using such as videos.