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How to enable Outlook 365 Email Forwarding to external email

Posted on November 16, 2023

In many organizations Outlook email forwarding feature is enabled. If it is OFF then you will get an error that your organization doesn’t allow external forwarding. If you wish to allow external mail forwarding, you should set up a new policy for the company and limit access to only those individuals or groups that actually require it. In this article we will learn how to enable Outlook email forwarding.

Table of Content

  • How to enable Outlook 365 Email Forwarding
    • Permit all users to forward emails to external addresses
    • Allow external email forwarding for specific user
  • Forwarded Email Overview
  • Wrap-up

How to enable Outlook 365 Email Forwarding

In Microsoft 365, external email forwarding is turned off by default. However, internal email forwarding is permitted. From a safety point of view, external forwarding has been turned off. In order to assume the identity of the victim, attackers who manage to access a user’s mailbox may forward all emails to their own account.

Permit all users to forward emails to external addresses

Follow mentioned below steps to enable Outlook 365 email forwarding for all users:

  • Go to Microsoft 365 Defender.
  • Click on Email & Collaboration and choose Polices & rule.

polices and rules

  • Select Threat Polices > Anti- spam.

anti spam

  • Choose Anti- spam outbound policy (Default).

choose anti spam

  • After scrolling down, select Edit protection settings.
  • Make sure that the option for Automatic forwarding rules is either on.
  • Now press on save button.

anti spam policy

Allow external email forwarding for particular user

It is best to restrict access to external content to particular people rather than permitting it for everyone. By doing this, you maintain control over which emails are sent to an outside system before everyone forwards their work emails to their personal e-mail accounts.

Follow all the steps mentioned below to enable external email forwarding for specific users.

  • Launch Microsoft 365 defender.
  • Go to Policies & rules > then select threat polices > click on Anti- spam.
  • Select create policy then click on Outbound.

create policy

  • Enter name and description in Name your policy window.

enter name your policy

  • Choose specific user that you wish to allow external forwarding Office 365.

select users

  • In new window of Outbound Protection Setting after scrolling down switch to On- forwarding is enabled in Automatic forwarding rule.

turn on

  • To save the updated policy, check the options and select Create.

Along with the anti-spam policies, the new policy will be included in the overview.

Forwarded Email Overview

It’s important to track emails which have been sent to external locations in order to safeguard your company from data theft. We could export every piece of data from Exchange Online using PowerShell, but the Exchange Admin Center has a built-in report for that already.

  • Run Exchange Admin Center.
  • To access Mail Flow, select Export Reports.
  • Go to Auto forwarded messages report

go to auto forwarded

You can view all mailboxes that are being forwarded, along with the address they are being sent to, in the report. Additionally, you can add a card to the Exchange admin center dashboard that provides a summary of all email activity that has been forwarded.

Wrap-up

In this article we have learnt how to enable Outlook 365 email forwarding. Allowing external email forwarding Office 365 is the best for some reasons. So, whenever you see the error called “your organization doesn’t allow external forwarding” just follows all the steps mentioned above to solve the error and allow only specific users for security purpose.

I hope you find this article informative, for any kind of doubt comment below.

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