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Download and load an Extra.DAT file on a client system

  • Published on Sep 14, 2026
  • 1 minute(s) read
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In a major malware outbreak, you must load an Extra.DAT file to protect client systems until the next scheduled content update. You might need to load an Extra.DAT file on client systems to suppress detections that are considered false positives until the next scheduled content update.

Before you begin

Make sure that the interface mode for the Trellix Endpoint Security (ENS) Client is set to Full access or log on to the Trellix Endpoint Security (ENS) Client as administrator.



Task

  1. Download the Extra.DAT file.

    1. Click the download link supplied by Trellix Advanced Research Center, specify a location to save the Extra.DAT file, then click Save.

    2. If needed, unzip the EXTRA.ZIP file.

  2. Open the Trellix Endpoint Security (ENS) Client.

  3. From the Action menu GUID-A3B12F55-7EE9-4519-8FCA-9ACA85C3661F-low.png, select Load Extra.DAT.

  4. Click Browse, navigate to the location where you downloaded the Extra.DAT file, then click Open.

  5. Click Apply.

The new detections in the Extra.DAT take effect immediately.

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