Files with ctw extension are associated with the Context Tree Weighting algorithm. It is a data compressed file type.
CTW file extension - Context Tree Weighting compressed file
What is ctw file? How to open ctw files?
File type specification:
The ctw file extension is related to the Context Tree Weighting algorithm, an effective lossless compression algorithm that is especially suitable for compressing text files. The ctw algorithm is invented by Frans Willems, Yuri Shtarkov and Tjalling Tjalkens, in cooperation with KPN NV.