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What is the difference between the Archive Extraction Engine V.S. Metascan Antivirus engines extraction?
This article applies to all MetaDefender Core releases deployed on Windows and Linux systems.
Description:
The OPSWAT Archive Extraction engine works independently from the Metascan Antivirus engines.
Archive Extraction Engine
Location:
Inventory > Modules > Utilities > Archive Extraction

Functionality:
Supports more file types than individual Metascan Antivirus engine extractors.
OPSWAT integrates 7-Zip into its Archive Engine to facilitate efficient archive extraction, for more details: Differences between OPSWAT Archive engine and 7-zip
Generally faster than using individual Metascan Antivirus engine-based extractions.
Recommended Archive Extraction method.
Better performance and GUI visibility. Shows the complete recursive path and breakdown for extracted files.


Configurable extraction limits that can be set globally for each file.
__ Example: __

Metascan Antivirus Engines
Location:
Inventory > Modules > Metascan > click into individual engines

Functionality:
Antivirus engines can extract files independently, this results in sequential processing, where the same archive may be extracted multiple times by different engines, this may lead to performance degradation.
Best use if you are unable to enable the Archive Extraction Engine.
Limited visibility, the GUI currently does not show the extracted files by each engine.
Archive limits are set by the Antivirus vendor. Some contain configurable limits, whereas some do not have a setting.
Examples:
Ahnlab:

Avira:

If Further Assistance is required, please proceed to log a support case or chatting with our support engineer.