But... in at least two cases this selection is helpful: backfilling additional bars immediately after options modify (once you enlarge 'quantity of bars to load' in File->Database Settings dialog you have to drive backfill for symbols which were backfilled Formerly with smaller sized number of bars) The set up wizard https://amibroker-data-feed57777.thenerdsblog.com/40995061/the-2-minute-rule-for-amibroker-data-feed