If you would like to add another Windows Mail account to Mail Metro app please do the following:
Open Mail application from the Metro screen | Call Windows Mail Charm using Win key + C | Go to settings | Accounts
Click Add an Account to add additional account to Windows Mail Metro app
As you may have already noticed once you start to use Windows Mail Metro application you will have a default signature "Sent from Windows Mail" inserted into your outgoing e-mails.
To change that do the following:
If you have experienced issues where you were unable to copy your songs/mp3 files to your iPhone device using drag and drop feature, here's what you need to do.
Open iTunes and connect your iPhone. In the left pane click on the iPhone and make sure that Summary tab is selected.
Here is the complete list of Windows 8 keyboard shortcuts that will help you faster access to various items on Windows 8 machines.
Windows Logo Key - Start Screen (Metro)
Windows + C - Opens Charms
Windows + D - Shows desktop
Windows + E - Opens Windows Explorer
Windows + F - Opens File Search in Charm mode
Windows + F + CTRL - Find Computers on a Network (applies to AD)
Windows + H - Share Charm
Windows + I - Settings Charm
Windows + K - Devices Charm
Windows + L - Switch Users (locks the system if the machine is part of a domain)
Windows + M - Minimizes all Windows (desktop mode)
Windows + N - Opens new One Note side note (if applies)
Windows + O - Lock screen orientation
Windows + P - Projection Options
Windows + Q - Search Charm
Windows + R - Run
Windows + T - Sets focus on taskbar and allows you to cycle through running desktop apps