TCH

Borland C++ help document
File type: Document file
Files with tch file suffix are related to the Borland C++ development environment. A tch file contains help document.
Found 2 different file type records with the same tch filename suffix.
What is tch file?
File type category:
Document file
Date updated: January 2, 2017
The tch file extension is associated with the Borland C++, an integrated development environment, which enables users to create programs in C++ programming language.
The tch file contains help documents.
Suggested software to open tch file:
Associated software actions with the tch file
Software applications that handle other tasks involving tch files:
Borland C++ (Microsoft Windows)
Complete Works graph or chart
File type category:
Graphics file
Date updated: June 22, 2019
The tch file extension is associated with the Complete Works. The tch file contains graph or chart. The Complete Works is discontinued product
Most likely some old format without support. No further information could be found.