How to Turn Off the Outlook Anti-Virus Integration

In some cases, it may be appropriate to temporarily disable your Outlook antivirus defender, even if your Outlook is more vulnerable to threats. The goal of anti-virus plugins is to protect against viruses and malware, thereby improving security. However, the plug-ins may have an impact on the overall performance of Outlook. If you’re having trouble, it might be a good idea to temporarily disable the anti-virus plugin to see if that’s the problem, or to use an external safety plugin instead.

Reasons Why You Might Want to Turn Off Your Outlook Anti-Virus Integration

The anti-virus plugin may interfere with Outlook’s performance. If you encounter one or more of the following scenarios, it may be prudent to uninstall the plugin.


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Possible scenarios are:


  •     Lost attachments or mail
  •     Errors when sending/receiving emails
  •     Duplicated emails
  •     Larger fonts 
  •     Visible HTML codes
  •     Messages stuck in outbox
  •     Issues with send/receive performance

How to Remove the Outlook Anti-Virus Plugin Step-by-Step

Step 1: Open Outlook, go to the “File” tab and then click “Options”.

Step 2: Click “Add-ins”.

Step 3: Next to “Manage”, open the drop-down list. 

Step 4: Click “COM Add-ins”, then click on the “Go…” button.

Picture presents pop up window where to select Add-ins and Go... button

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Step 5: Now select your anti-virus plugin, click “remove” and then “Ok”.

Step 6: Finally, click “Send/Receive” and then “Update folder”.

Important Note: 

When the anti-virus plugin is disabled, it is still safe to read email because email cannot infect your system on its own. However, unless you are certain that the attachment is from a legitimate source, you should avoid opening it without virus protection.

What’s your experience with the Outlook anti-virus plugin? Do you have any questions? Feel free to leave them in the comment section!


See you soon,

Aline & the Lookeen team

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  • B

    what plugin is the antivirus

    2024-01-24 09:19:08 | banan
    • A

      Outlook has a built-in virus protection filter. It scans emails that are sent and received as well as attachments. I hope this answers your questions.

      2024-01-31 12:05:58 | Aline Gengenbach

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