It seems that both .wcat and .wcl files originate from a program called WinCatalog, which is used to catalog large collections of files, including music, movies, pictures or documents. If any programs can convert or export .wcl file to a .wcat file, it would be this software. We do not know about any other 3rd party software capable of handling these two file types.
Updated: October 23, 2018
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