This article explains what Non-Delivery Reports (NDRs) are, why they occur, and how to understand and resolve common email delivery errors at USNH.

This article details how to find, view, and copy email headers in Microsoft Outlook on the Web.

This article explains how to update your Mac Desktop Outlook App for the USNH unified M365 environment. There are two parts to the process, the first is removing your old campus-based account, and the second is adding your account to the M365 environment.

This article provides some common fixes for Outlook Desktop App for both Windows and Mac users.

This article provides instructions to report a phishing message in Outlook on the Web and the Outlook Desktop app for both Windows and MacOS users.

This article provides an overview about Abnormal Email Security digests for messages they have acted on, and some frequently asked questions (FAQ) about these digests.

This article will cover the Frequently Asked Questions with syncing your Outlook calendar with Navigate.

As you prepare to send an email message in Outlook, you may see a warning that "The following recipient is outside your organization".

This warning helps to prevent accidental sharing of sensitive information and encourages a quick review of your message and recipient email address(es) before hitting Send. In August 2024, ET&S enabled the External Recipient MailTip feature in Outlook for enhanced security and visibility of external mail recipients.

This article describes how to send an email from a Proxy Address in Microsoft 365.

This article explains how to set your default email response in the Outlook Web App to reply only to the sender of the original email (Reply), or to everyone listed in the To and Cc fields (Reply all). Your selected default setting appears on the top of the drop-down response menu in the email message window.

This article provides links to instructions for setting up email on your Mobile devices (Android and iOS), on laptop or desktop computers (Windows and MacOS), as well as accessing your campus email via web browser. Outlook on the Web or the Microsoft Outlook App are the supported applications for campus email on all devices.

This article provides descriptions of the icons used to identify contact type in the Global Address List (GAL) in the Outlook for Windows desktop app.

This article details how to organize emails by conversation or messages for Microsoft Outlook on the Web and Microsoft Outlook Desktop App for both Windows and MacOS users.