Hotmail and Outlook are set to sync emails from a certain time period. To see all of your email, you'll need to change the account setting to sync all messages.
You can check to see what version of the Firefox OS software you have by looking under Device Information in the Settings app.
The Firefox Marketplace has apps designed for your Firefox OS device. We'll show you how to find and install them.
This article explains how to turn on your data connection and connect to Wi-Fi on Firefox OS so that you can browse the web, use email, maps and more.