Open Email
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Select your Mail for Exchange mailbox, Options > Settings > Mailbox settings > When to sync, and from the following:
- Peak sync days — Select the weekdays to which you want the peak sync schedule settings to apply.
- Peak sync hours — Select the time frame for the synchronisation.
- Peak sync schedule — Select synchronisation interval for the peak days.
- Off-peak sync schedule — Select how you want your e-mail messages to be synchronised outside peak days and hours.
- Synchronisation — Select whether you want your e-mail messages to be synchronised when you are outside your home network.
- Heartbeat interval — Set the heartbeat interval.