If you want to save a copy of all outgoing email from your Outlook.com (formerly Hotmail) please follow these steps:
Go to the Settings Gear and select More Mail Settings:
In the Writing Email section click Saving Sent Messages:
Select the radio button to save copies of your sent mail, then click Save:
Go to the Settings Gear and select More Mail Settings:
In the Writing Email section click Saving Sent Messages:
Select the radio button to save copies of your sent mail, then click Save: