THE DEEPNET DIFFERENCE
Microsoft Defender Training
Empower Your Communication Security with Microsoft Defender.
Training Breakdown
Content reviewed: September 2026
Overviews
In this video series, you'll learn the basic concepts of Microsoft Defender.
Microsoft Defender Overview
Microsoft Defender for Office 365
Troubleshooting & Walkthroughs
Check out our guided walkthroughs and troubleshooting content.
Admin: Managing your organization's email quarantine in MS Defender
Improve your MS Defender quarantine workflow with the guidance provided in this video.
Improve your MS Defender quarantine workflow with the guidance provided in this video.
User: Managing your email quarantine in MS Defender
Learn how to manage essential features of your email quarantine in this video.
Learn how to manage essential features of your email quarantine in this video.
User: Accessing your M365 email quarantine
Open your web browser and navigate to security.microsoft.com.
Navigate to the Quarantine Section: In the portal, go to Email & Collaboration > Review > Quarantine > Email tab.
View Quarantined Emails: Select a quarantined email by clicking anywhere in the row other than the checkbox. This will open a details flyout with more information about the email, including options to release, preview, or delete it.
Take Action:
Release an Email: Click on the email and select Release. Confirm the release action in the flyout that appears.
Request Release: If your quarantine policy allows, you can request the release of an email by selecting Request release.
Delete an Email: Choose the email and select Delete. Confirm the deletion in the flyout that appears.
Open your web browser and navigate to security.microsoft.com.
Navigate to the Quarantine Section: In the portal, go to Email & Collaboration > Review > Quarantine > Email tab.
View Quarantined Emails: Select a quarantined email by clicking anywhere in the row other than the checkbox. This will open a details flyout with more information about the email, including options to release, preview, or delete it.
Take Action:
Release an Email: Click on the email and select Release. Confirm the release action in the flyout that appears.
Request Release: If your quarantine policy allows, you can request the release of an email by selecting Request release.
Delete an Email: Choose the email and select Delete. Confirm the deletion in the flyout that appears.
Related
Check out our related content below.
Phishing misadventures with Alex Weeks
In this episode, we explore how phishing scams work, their rise in sophistication, and practical steps, like multifactor authentication, to safeguard ourselves and our organizations.
In this episode, we explore how phishing scams work, their rise in sophistication, and practical steps, like multifactor authentication, to safeguard ourselves and our organizations.