You export a trend log list to CSV format if you want to open it for viewing and processing, for example, in Microsoft Excel.
In WorkStation, in the System Tree pane, select the trend log list you want to export.
On the Trend Log List toolbar, click the Export to .CSV button
Browse to the folder where you want to save the file.
In the File name box, type a name.
Click Save .
The trend log list is now exported to CSV format.