Select another tool for which the same holder could be used.
Press Edit and go to the Mounting tab.
Instead of entering a graphic name, use the 
button to browse for existing holders.
Select the name of the holder file defined above ( Example Holder.csv ) and press Open.
If required, use the 
button to
enter a new Z offset and/or Z Gauge length.
Select OK to complete the action and then Cancel to leave the ToolStore.