Managing personal Outlook.com account settings, security, and privacy
Please try the tick mentioned here
Use two browsers, [this procedure has risk of losing your id and is not officially supported procedure]
Browser 1
- Login to hotmail/msn/live (where you want to grab)
- Go to renames page or alias (whichever you like)
- Type in outlook.com address that you want to transfer (do not accept yet)
Now you're ready to grab it
Browser 2
- Login with your outlook address (that you want to grab)
- Rename this account to your gmail account (this will change your @outlook.com to alias)
- Login with gmail, confirm through verification mail
- Go to accounts page and close the account (enter password)
This is will drop your alias and make it available for a grab
Browser 1
4. Try grab, if it says already in use. Hit it again. It takes few seconds to release the ID.