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Use the green arrow icon to Refresh the imported extensions.
Once extensions are loaded they stay with a project.
Use the disk icon to Export added extensions.
Use the red cross icon to Delete added extensions.
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The Extension Data Sources step is used to import and cache external data sources, such as stockpile inventories and blast statuses, which are referenced later in the setup.
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The Name column shows the extension file name.
Successfully loaded files will be marked with a green check mark in the Loaded column.
The Last Loaded column displays the time each file was last loaded.
In the Required column, flag the boxes for the files required in this project.
The File column shows the path to the file. Use the icons to the right to refresh, import, save or delete the extension file.