How to open Microsoft Windows Assistance Platform client help related data .h1t files
Have you had trouble opening the h1t file on your computer? What are h1t files? We explain what they are and recommend software that we know will open them.
What is h1t file?
A h1t file extension is related to the Microsoft Windows Assistance Platform included in Windows Vista. A h1t file contains Windows help related data.
Microsoft Windows Assistance Platform client help related data description
Table of Contents - This defines the master TOC and which Titles to include.
Similar to MS Help 2.x .HxT file The h1t file defines the content and organization of a table of contents (TOC) for a collection. For Help and Support content, the .h1t file defines the table of contents for all content in the OEM and Corporate namespaces (each namespace has its own .H1T file).
The h1t file contains general properties for the TOC as a whole and for each node. The TOC provides a structured view of the Help content for a collection. When a user opens the TOC and selects a topic title, the content file associated with that topic opens.
Suggested software to open h1t file

Microsoft Windows Vista
One of the members of Windows operating system family