Outlook.com supports keyboard shortcuts of other email services besides it’s own.
What this means is that shortcut keys layout of Gmail, Yahoo and Outlook too can be used if needed. So if accustomed to using Gmail shortcut keys, that same layout can be used in Outlook.com as well.
Here is how to enable these custom shortcut layouts :
Login to Outlook.com and click the gear icon on top right. Then choose View full settings.
From General section, go to Configuration.
Here any of the listed shortcut keys layout can be enabled. It can be turned off too if needed.
To know about various shortcut keys, choose click here on the bottom.
A Gmail shortcut keys layout will look like this :
Outlook layout will be :
Yahoo mail shortcut layout will be like this :
Select Save to enable any of the preferred layouts.
All done.