program extension files.

Hi All.
Can anybody tell me what program would use these file extensions please.
.BCF .BK5 .PLC .TEX .URF .UXO .UX1 .XRF.

any help much appreciated.
 
Thanks for the reply. i have already tried the route but really need a program that would read the files all together.
so was hoping somebody out there would use a program that had these as a backup set of files.
regards
Mark
 
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