Files with THR extension might also be found as old THOR archives.
There are 3 other file types using
the THR file extension!
.thr - Pro/ENGINEER file
.thr - PROGNOSIS threshold document file
.thr - Thred embroidery outline file
What is thr file? How to open thr files?
The THR file extension was also reported to have been used in the past for the THOR archive and compression file format. Probably old and no longer used compressed archive.
Enter any file extension without dot (e.g. pdf)
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