RT_

Microsoft WinHelp compressed help document
File type: Various data file
An rt_ file extension is related to the Microsoft WinHelp and used for its compressed help documents.
What is rt_ file?
File type category:
Various data file
Date updated: December 4, 2017
The rt_ file extension is associated with the Microsoft Windows WinHelp (also known as Windows Help), an application for authoring help documents.
The rt_ file contains compressed help document from WinHelp.
How to open rt_ file?
Use WinHelp to work with *.rt_ files.
Suggested software to open rt_ file:
Associated software actions with the rt_ file
Software applications that can open rt_ files:
Microsoft Windows Help (Microsoft Windows)
Software apps that create rt_ files:
Microsoft Windows Help (Microsoft Windows)
Software applications that handle other tasks involving rt_ files:
Microsoft Windows Help (Microsoft Windows)