CONCAT FILES

good morning community,
I have only a couple of months experience in T24, and I am having some questions that I am sure, I will get the answer here. But let's start with the first subject:
In the built phase, I have noticed, for instance, that some records cannot be modified due to a CONCAT FILE that denies duplicates. That's fine. However, thanks to this "error message", I have identified the CONCAT.FILE.
To apply my modification, I had to clear the CONCAT FILE and the file in which I needed to apply the modifications, then I have reloaded the file with new records. The CONCAT FILE has been naturally re-fed considering the new values => OK.
My questions are :
- How to get the list of all CONCAT FILES in T24, except PGM.FILE TYPE T as I could read already on that forum because it does not include all.
- How to know that a CONCAT FILE is linked to a data file
Thank you all in advance

Hi, I am not going to answer my question, but after having worked more on classic mode, I am still stuck with these CONCAT FILES which are causing issues. I can still not get any answer about the CONCAT FILES from TEMENOS and no documentation exist which could help identifying them. Even checking VOC, FILE.CONTROL does not help... Is that so secret ?
With the number of T24 specialists on this forum, nobody is able to provide a concret methodology to identify CONCAT FILES ? I am very surprised...