Step 1: Sign in to Microsoft 365 Admin center with admin credential (https://portal.office.com)
Step 2: Click on the Admin in the left pane.
Step 3: Click on the Add a group.
Step 4: Choose the group type and click on the Next.
Step 5: Enter the group name and description (optional). Click on the Next.
Step 6: Click on the Assign Owners.
Select the user as a group owner and click on the Next.
Step 7: Click on the Add group member and Select the user. Click on the Next.
Step 8: Enter the group email address and click on the Next.
Step 9: Finish the review and click on the create group.
