Microsoft 365 Domain Integration & Mailbox Administration Project”

Microsoft 365 Domain Integration & Mailbox Administration Project”

1.  Create a User mailbox
2.  Create a shared mailbox
3.  Create a resource mailbox
4.  Create a mail contact and add the mail contact to a distribution mail list
5.  Book your resource using your mailbox via the calendars so you can assign a delegate to the resources

1️⃣ Create a User Mailbox

📍 Done in Microsoft 365 Admin Center.

1. Go to admin.microsoft.com → Users → Active users.
2. Click Add a user.
3. Fill in details (name, display name, username).

• Make sure the domain you added (anonyei@Viceroys.online) is selected.

1. Assign a license that includes Exchange Online (e.g., Microsoft 365 Business Standard).
2. Save → this automatically creates a user mailbox in Exchange Online.

✅ User can now sign in and use Outlook/OWA.

2️⃣ Create a Shared Mailbox

📍 Done in Exchange Admin Center (EAC) or Microsoft 365 Admin Center.

1. Go to admin.microsoft.com → Teams & groups → Shared mailboxes.
2. Click Add a shared mailbox.
3. Enter a name and email address (e.g., support@yourdomain.com).
4. Add members (these are the users who can access it).
5. Save → shared mailbox created.

✅ Shared mailboxes don’t require a license (unless mailbox is >50GB or needs archives).

3️⃣ Create a Resource Mailbox (Room or Equipment)

📍 Done in Exchange Admin Center (EAC).

1. Go to admin.exchange.microsoft.com → Recipients → Resources.
2. Click + Add resource mailbox.
3. Choose Room mailbox (e.g., Meeting Room) or Equipment mailbox (e.g., Projector).
4. Enter display name, email address, and save.

✅ Resource mailbox is created and can be booked via calendar.

4️⃣ Create a Mail Contact and Add It to a Distribution List

📍 Done in Exchange Admin Center (EAC).

Step A: Create Mail Contact

1. In Exchange Admin Center, go to Recipients → Contacts.
2. Click + Add a mail contact.
3. Fill in display name + external email address (e.g., vendor@gmail.com).
4. Save → this creates an external mail contact.

Step B: Add to Distribution List

1. In EAC, go to Recipients → Groups.
2. Select the distribution group (e.g., allstaff@yourdomain.com).
3. Click Members → View all and manage members.
4. Click + Add members → select the new mail contact.
5. Save.

✅ External contact now receives mail sent to the distribution list.

5️⃣ Book a Resource via Calendar & Assign Delegate

📍 Done in Outlook / Outlook Web Access.

Step A: Book the Resource

1. Open Outlook → Calendar → New Meeting.
2. Add attendees → click Rooms → select the resource mailbox (e.g., Meeting Room).
3. Send invite → the room mailbox will auto-accept (if default setting).

Step B: Assign a Delegate to Resource

1. Go to Exchange Admin Center → Recipients → Resources.
2. Select the resource mailbox → click Mailbox delegation.
3. Under Full Access or Send As, add the delegate user(s).
4. Save changes.

✅ The delegate can now manage bookings and act on behalf of the resource.

Thank you for reading