After I run the program, I brow the table and don't see the field sorted. Yes, I am using CDX. There is only two things, a DBF and a CDX, in the DBC (have the bottom stuff with MODI STRU). I thought the CDX "auto" refreshes, but appearly not.

>No, the CDX is updated at the same time. You are using CDX, are you? :) In that case, why are you suspecting that the index is not refreshed?
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>>After appending data from Excel to the table, the Master tag is not indexed. It have to be manually reindex?