To set a Default Value for a column you enter the value and right-click on the column. On the menu select "Set Defaults". From there you can either "Set as Default - Current Session" or "Set as Default - Always". Setting as default for current sesion will remain the default only until you close the progam. Setting as default always will save the setting to the registry. It will remain as default on this computer even when you restart the program. The remove the deafult value setting choose the Clear Default settings.