However, some users dislike the labels, so they want to know how to remove External tags in Outlook. Likewise, users report the name cannot be resolved error they encounter on Outlook.

Why does my Outlook email say External?

There are some email security threats users suffer online. Scammers send malicious or bad-willed emails to steal the recipient’s information or money. So, external email tags are an essential security measure to help users identify threats like phishing, spam, and other malicious emails. However, the External tag/label attached to Microsoft Outlook email is to warn users that the email did not originate from within the organization. So, it helps the admin track and identifies emails that are potentially dangerous or harmful. Furthermore, not all Outlook emails with External tags or labels are suspicious or malicious. The concept of the External tag is to prompt users to confirm the sender’s authenticity before downloading attachments from the mail. Also, you should verify the sender before opening any links in the mail.

How do I remove the External tag in Outlook?

1. Disable External email tags via Windows PowerShell

Note that it can take up to 24 hours for the tags to disappear, and the duration can differ depending on the volume of your emails. Check what to do if Windows PowerShell stops working when executing the steps above.

 2. Exclude specific Email addresses or domain from External tagging

Users can exclude the maximum number of 30 emails with the above command (add a comma , at the end of each mail).

How to add an External tag in Outlook?

1.  Enable External email tags via Windows PowerShell

Users without the Outlook External tags can add it to their Outlook app. Note that it can take up to 48 hours for the External email warning to appear in Outlook after enabling it. Conclusively, users can refer to our article about how to fix Outlook 2016 crashes when opening if they encounter problems. Also, our readers can check our guide about fixing Outlook not connecting to the server & Gmail on Windows 11. Should you have further questions or suggestions, kindly drop them in the comments section.

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