PLK

COREX part-of-speech tag
File type: Text file
A plk file extension is associated with the COREX and used for its part-of-speech tag files.
Found 2 different file type records with the same plk filename suffix.
What is plk file?
File type category:
Text file
Date updated: July 4, 2017
The plk file extension is related to COREX (CORpus EXploitation) software.
The plk files contain part-of-speech tagging, lemmatisation, lexicon link-up and indication of multi-word structures in text format.
The COREX seems to be obsolete product.
Suggested software to open plk file:
Associated software actions with the plk file
Software applications that handle other tasks involving plk files:
COREX (Microsoft Windows)
AMD ATI Radeon video driver
File type category:
System file
Date updated: August 1, 2017
The plk file extension is associated with ATI Radeon graphic cards, developed by AMD
The plk file stores video driver for ATI Radeon graphic card. Probably obsolete hardware driver format.