It is straightforward to extract files from a case, you can do this by following the steps below:
Open the case you want to extract files from.
Select the history items you want to export.
Note: you can filter for specific actions by selecting from the dropdown to the right-hand side of the top of the history.Right-click on the selected history line.
On the pop up menu, click send to.
Select disk.
Choose where you want the files to export to.
Save the files.
These are now exported out of the case as files in a folder of your choosing.