Samsung Galaxy Tab E (8.0) - Email Account Data Usage Settings
This info helps if you're looking to modify the amount of data used by your personal email account.
From a Home screen, swipe up or down from the center of the display to access the apps screen. These instructions only apply to the default Home screen layout.
Tap Email.
Tap the Menu icon (upper-left) then tap the Gear icon.
From the Accounts section, select the appropriate email address. Multiple accounts may appear.
From the Account settings section, tap any of the following to turn on or off : Depending upon the email account type, the available settings may vary.