File Extension Library


.TDH File Extension

  • Developer by: Borland Software Corporation
  • Category: Various data Files

What are .TDH files and how to open them?

Can't open .TDH file? Are you wondering what it contains? On our site we will explain to you what this file is, what it is used for and what software opens the .TDH file.

What is a .TDH file extension?

.TDH file extension is created by Borland Software Corporation. .TDH has been classified as Various data Files.

.TDH is Turbo Debugger help data

The tdh file extension is associated with the Turbo Debugger a machine-level debugger for MS-DOS executable programs developed by Borland.

The tdh file stores data used for help to users.

The Turbo Debugger is obsolete software.

.TDH file format is deprecated and this file format is no longer supported.

Currently, .TDH file type is not actively used and is obsolete. This usually happens with system files in older operating systems, files from long-discontinued software, or with previous versions of some file types (documents, projects, images, etc.) that were replaced in later versions of the original programs.


How to open:

This file type is not meant to be opened directly, there is no software that could open and work with it directly, or there is no information available in public sources about opening this file type. This is usually the case of some internal data files, caches, temporary files etc.

How to convert:

As far as we know, this .tdh file type can't be converted to any other file format. This is usually the case of system, configuration, temporary, or data files containing data exclusive to only one software and used for its own purposes. Also some proprietary or closed file formats cannot be converted to more common file types in order to protect the intellectual property of the developer, which is for example the case of some DRM-protected multimedia files.

How to fix problems with .TDH files

  1. You need to update the application that you normally use to open .TDH files. Only the latest version of the software supports the current .TDH file format
  2. You need to check the .TDH file for viruses. To do this, you need to scan it with a popular antivirus (Norton, Nod32, Kaspersky, Dr.Web, etc.)