Shared mailbox

Concept

A mailbox in Exchange Online that multiple users can access and send from, used here as the consistent sender identity for an internal newsletter.

Title graphic: Shared mailbox (Concept)

Type	Concept
Documentation	learn.microsoft.com/exchange/collaboration-exo/shared-mailboxes

Key points about Shared mailbox

Sending from a shared mailbox gives branding and continuity, and reusable Outlook templates give a predictable layout. · Build Internal Outlook Newsletters with…

Episodes about Shared mailbox

Build Internal Outlook Newsletters with Dynamic Groups

2025-11-03 · Video on YouTube

Most internal updates die in Teams noise. The fix isn’t a new platform—it’s wiring together tools you already own. Build a clean, repeatable newsletter pipeline inside Microsoft 365: target precisely with Dynamic Distribution Groups (Entra ID attributes)…

Exchange Online - Simply Explained

2026-10-29 · Video on YouTube

Exchange Online is the email engine inside Microsoft 365, wrapped in words nobody explains. It's the service that holds your mailbox, your calendar, and your contacts, and it runs on Microsoft's servers instead of a machine in your office. In this episode of…

Timeline of episodes about Shared mailbox

Articles about Shared mailbox (4)

Microsoft 365 DMARC Rollout Guide: From None to Reject Without Breaking Mail
2026-10-21 · Mirko Peters
Learn how to safely roll out DMARC in Microsoft 365 from monitoring to strict rejection without breaking your organization's legitimate email delivery.
Streamlining Team Communication with Dynamic Distribution Groups
2026-08-28 · Mirko Peters
Welcome back to the podcast blog! If you have ever felt the friction of manually updating distribution lists every time a new team member joins or an employee switc…
Stop Wasting Money: How to Automate Microsoft 365 License Optimization with PowerShell
2026-08-11 · Mirko Peters
Welcome back to the blog! If you manage a Microsoft 365 tenant, you probably know the sinking feeling of opening the billing invoice at the end of the month. You se…
Essential Steps for Terminating Employees with Microsoft 365 Accounts
2026-03-06 · Mirko Peters
Essential Steps for Terminating Employees with Microsoft 365 Accounts: Secure data and learn how to delete a former employee's microsoft 365 account effectively.

Frequently asked questions

How do you build an internal newsletter in Outlook?

Combine Dynamic Distribution Groups for targeting, a shared mailbox as the sender, a reusable Outlook template, an automated approval workflow and analytics. The episode presents this as a repeatable pipeline. · From the episode: Build Internal Outlook Newsletters with…

Why send newsletters from a shared mailbox?

A shared sender builds trust through consistent branding and continuity, and the newsletter does not depend on one person's mailbox. Readers learn to recognize it. · From the episode: Build Internal Outlook Newsletters with…

What is a shared mailbox in Exchange Online?

A shared mailbox is one of the mailbox types explained in the episode, used when more than one person works from the same mailbox. · From the episode: Exchange Online - Simply Explained

Glossary

Community wiki

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Sources

Documentation: learn.microsoft.com/exchange/collaboration-exo/shared-mailboxes
Feed for this topic (RSS): entity/shared-mailbox/feed.xml
M365.FM episodes on this topic: 2
Articles on this topic: 4

Maintained by Mirko Peters (Microsoft MVP) · Last updated: 2026-11-03