Outlook Marking External E-mails Outlook can mark emails from external sources with a note to make it easier to recognise spam and phishing threats. It will look like this: Outlook for Windows Outlook on the Web Android However, please do not rely completely on this labelling. For one thing, the technology can also make mistakes and it is always possible to take over a colleague's account. If you would like this labelling, please contact us. Report Phishing and Junk Please inform us about phishing or junk. This is how it works: Outlook for Windows Outlook on the Web Android Important: If there is a targeted attack, please also inform us by telephone and e-mail. Targeted cases include, for example, addressing someone by their real name, referring to colleagues or special knowledge (e.g. from a post on social media, studying the homepage or an overheard conversation). Create Contact List Open the People tab and click on New contact list . Now you can give a name, add email addresses and an optional description. After clicking on Create , you may use this contact list for sending emails or inviting them to appointments. A popular use case is a list with the colleagues you often work with so you can email them easily or add them to calendar invitations.