ASUS Nexus 7

Find "Email"

Press the menu icon.

Find "Email"

Press Email.

Select default email account

Press the settings icon.

Select default email account

Press Settings.

Select default email account

Press the required email account.

Select default email account

Press Default account to select the email account as your default account.

Select default email account

When the box next to the menu item is ticked (V), the account has been set as the default account.

Exit

Press the home icon to return to standby mode.