File Extension Library

.TLH File Extension

  • Developer by: Microsoft
  • Category: Developer Files

What are .TLH files and how to open them?

Can't open .TLH 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 .TLH file.

What is a .TLH file extension?

.TLH file extension is created by Microsoft. .TLH has been classified as Developer Files.

.TLH is Typelib Generated C/C++ Header File

Header file generated by a Microsoft C/C++ compiler; contains definitions of interfaces and identifiers generated by the #import directive; used in conjunction with a .TLI file to reconstruct compiled type library contents for use in C/C++ source code.

NOTE: The #import directive generates both TLH and TLI files. For example, the command #import "mylib.tlb" generates the "mylib.tlh" and "mylib.tli" files from a .TLB file.

List of all softwares that can open the Typelib Generated C/C++ Header File
Microsoft Visual Studio 2017

How to fix problems with .TLH files

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