New Outlook Drag Files Across Accounts: Data-protection limits to check first

When you drag files or emails between accounts in the new Outlook for Windows, you may encounter unexpected blocks or warnings. These restrictions come from data-protection policies that IT administrators apply to prevent data leakage across personal and work boundaries. This article explains the specific limits that can stop drag-and-drop operations and shows you how … Read more

Classic Outlook to New Outlook: MSG Files – Open saved messages without Classic Outlook

When you switch from Classic Outlook to the new Outlook for Windows, saved MSG files from old emails no longer open by double-clicking. This happens because the new Outlook does not register itself as the default handler for the MSG file format. This article explains exactly why MSG files fail to open in the new … Read more

Use Sensitivity Labels in New Outlook After Switching From Classic Outlook

When you switch from Classic Outlook to the new Outlook for Windows, your sensitivity labels may not appear immediately in the ribbon or the email compose window. This happens because the new Outlook client uses a different mechanism to load Microsoft Purview Information Protection settings. In this article, you will learn how to enable sensitivity … Read more

New Outlook Data Loss Prevention Settings: Location and Practical Limits

Your organization uses Data Loss Prevention policies to prevent sensitive information like credit card numbers or social security numbers from leaving via email. The new Outlook for Windows includes DLP policy tips that warn users before they send a message containing sensitive data. However, the location of these settings and the limits of what they … Read more

New Outlook Mandatory Labeling: Stop sends until a label is applied

You have configured sensitivity labels in Microsoft 365 but users still send emails without applying a label. The new Outlook for Windows and Outlook on the web enforce mandatory labeling only when the Microsoft Purview compliance portal policy is set to block unlabeled outbound emails. This article explains how to configure the exact policy rule … Read more

Classic Outlook to New Outlook: Block PDF Printing for Mandatory Labels – Current compliance workaround

When your organization enforces mandatory sensitivity labels in Outlook, you need to block users from printing or saving emails as PDF files to maintain compliance. In classic Outlook, Group Policy settings can prevent PDF printing. The new Outlook for Windows does not support those same Group Policy settings, creating a compliance gap. This article explains … Read more