How to Release Quarantined Email in Office 365

How to Release Quarantined Email in Office 365

How to Release Quarantined Email in Office 365

In the world of email filtering, false positives can occasionally occur, leading to legitimate emails being quarantined. If you are an Office 365 user and have encountered this issue, fear not! There is a simple process to release quarantined email in Office 365. In this article, we will walk you through the steps to ensure that you receive the emails you need.

Step 1: Log in to the Security & Compliance Center

To begin, log in to the Office 365 Security & Compliance Center using your admin credentials. This is where you will find the settings to manage quarantined emails.

Step 2: Navigate to the Quarantine

Once logged in, navigate to the “Threat Management” section and select “Review” from the dropdown menu. This will take you to the Quarantine page.

Step 3: Review Quarantined Emails

On the Quarantine page, you will find a list of all quarantined emails. Review the list and select the emails you wish to release.

Step 4: Release the Emails

After selecting the desired emails, click on the “Release” button. This will release the emails from quarantine and deliver them to the intended recipients.

Step 5: Whitelist the Sender

If you often receive emails from a specific sender that end up in quarantine, you can add them to your whitelist. This will ensure that their emails are not quarantined in the future. To do this, select the email you wish to whitelist and click on the “Whitelist” button.


1. Why are legitimate emails ending up in quarantine?
Legitimate emails may end up in quarantine due to strict filtering settings or false positives triggered by the email content.

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2. Can I release multiple emails at once?
Yes, you can select multiple emails and release them all at once.

3. How can I prevent future false positives?
Consider adjusting your email filtering settings or whitelisting trusted senders to minimize false positives.

4. Are released emails delivered immediately?
Released emails are typically delivered immediately, but delivery times may vary depending on your email server and network conditions.

5. Can I release emails from the quarantine on behalf of another user?
Yes, admins can release quarantined emails on behalf of other users.

6. Can I release emails from the quarantine using PowerShell?
Yes, you can release quarantined emails using PowerShell commands specific to Office 365.

7. Are released emails rescanned for threats?
Yes, released emails are rescanned for threats to ensure they do not contain any malicious content.

8. Can I automate the release of quarantined emails?
Yes, you can set up rules to automatically release specific types of quarantined emails or whitelist trusted senders.

By following these steps, you can easily release quarantined emails in Office 365 and ensure that important communication reaches your inbox. Remember to review your filtering settings and whitelist trusted senders to minimize false positives in the future.