Only users with high priorities and access to Utilities can action this.
From within a module click on Utilities

Select File copy/move

Select "Copy" > click on Next

Use the ellipse button and select "KDB Table"

Select your module and company number from the drop down and the table you wish to copy and click on OK

Once the file path has loaded click on Next

Enter Days to retain copied file(s) : By default this is 14 and max number of days is 45
Click on Next

Enter a case number (mandatory) and comments (optional) and click on Finish

You will get confirmation of successful file copy

To view / restore your copied file click on History and to restore > Find your file and right click and select Restore

Care should be taken to restore a file, in the event that data has been added to the file since your back up was made.