Gmail app for Android - Enable synchronization
To enable the synchronization of your Gmail account (as well as other services from Google) across multiple devices, follow the below procedure:
- Open the Gmail app.
- Tap on the Menu key (3 horizontal bars at the top left corner) and scroll to Settings.
- Tap on your email account.
- Scroll to the Data usage section and check "Sync Gmail".
- Synced messages are automatically stored on your device. To limit the number of messages, tap on Choose "Days of mail to sync" and select the number of days for which messages are saved: