Chuck, I have the same experience with KPC3+ v9.0 Duplicate checking doesn't work for UITRACE, nor for UIFLOOD, nither for UIDUPE I've checked four of 9.0 In the v. 8.3 dupe checking work well in UITRACE and UIFLOOD In the v. 8.2 dupe checking is only for UIFLOOD 73! Andy AB9FX SP3LYR