Exporting and Importing Settings for Predefined Layers In the Toolbox - Settings dialog box, on the Layers screen, you can: Click Export to store predefined layer settings to a Toolbox Layer file (.tbl). Click Import to restore predefined layer settings from a Toolbox Layer file (.tbl). The property settings for predefined layers, that exist in the lists, can be overwritten. Parent topicToolbox Settings - Predefined Layers