According to Microsoft, the upgrade was deployed on April 3, 2013; the user kept their existing Hotmail accounts and received the option of having an @outlook.com email address.
Microsoft'a göre, yükseltme 3 Nisan 2013'te yapıldı; Kullanıcı mevcut Hotmail hesaplarını korudu ve bir @ outlook.com e-posta adresine sahip olma seçeneğine kavuştu.