Enter the email address or domain, and select the Enter key ( Return key on Mac).You can use Outlook to block and unblock email addresses. Or, to identify the sender as safe, under Safe senders and domains, select Add. To block the sender, under Blocked senders and domains, select Add. Microsoft 365 Admin menu opened with Unblock Email below If you have multiple organizations, select the affected domain(s).In the upper-right corner, select Settings, then View all Outlook settings.

Fig 3: Sign-In Status Confirmation Page.Select Admin, then Unblock Email. Click Edit to open a manage Sign-in status page, there select “Sign-in allowed” and click save button.

In above image, user is blocked on signing in to office 365 services. In row of Sign-in status, we can view the sign-in status for the selected user. Click on Restricted user page On the restricted users page, you will see a list of users who are …Fig 1: Active Users Page.

Once you are on …Go to Email & Collaboration > Review > Restricted users. Then in the email and collaboration section, go to Review> Restricted Entities. User3 in the Active user page and click on the “ Unblock sign-in ” button like below: office 365 account enabled Now uncheck the box “ Block this user from signing in ” on Unblock Sign-in page, and click on the ‘Save Changes button.As an admin, you first need to navigate to Microsoft 365 Defender. At this time, do not create an Office 365 group - that is a different type of group that is irrelevant to our purposes right now.To unblock the user go to “ Active user ” like above in Microsoft 365 Admin center. Fill out the form to create a new mail-enabled security group. In the menu at the left, hover over the icon with multiple people.

Office 365 action center