In Office 365, you can create company email addresses, like Sales, Support, or Careers, that your customers can use to contact specific departments or groups.
In Outlook, on the Home tab, choose New Group.
In the Create Group box, enter a group name, description, and an optional classification.
If you want everyone in the company to see incoming messages in their group folder, under Privacy, choose Public.
To make sure all emails arrive in everyone's Inbox, select the Send all group email and events to members' inboxes check box.
Under Add Members, select the employees who you want to receive the emails, and then choose Add Members.
On the Home tab in Outlook, choose Group Settings > Edit Group.
In the Edit Group box, select the Let people outside the organization email the group check box, and then choose OK.
In Office 365, you can create email addresses for your company, like Sales, Support, or Careers, that your customers can email questions to and get answers.
To get started, open Outlook. Select New Group. Enter the name you want to use, like Support. Give it a description. The Classification is optional. Change Privacy to Public if you want everyone in the company to see incoming messages in their group folder. To make sure all emails arrive in everyone's Inbox, check this option. That way, they don't miss anything. Choose Create.
Specify which employees should receive the emails. Choose Add Members.
You now have a group for Support.
To let your customers send email to the group, go to Group Settings > Edit Group.
Check the box to let people outside the organization email the group. Then select OK.
Your group is ready to use. Your customers can now send email to Support at your company.