>> TLH file

TLH file format description

Many people share .tlh files without attaching instructions on how to use it. Yet it isn’t evident for everyone which program a .tlh file can be edited, converted or printed with. On this page, we try to provide assistance for handling .tlh files.

1 filename extension(s) found in our database.

.tlh - Visual C++ TLH Header

The TLH development files are related to Visual C++. TLH file is a Visual C++ TLH Header. A .tlh (Type Library Header) header file that contains definitions of all interfaces and identifiers.

Visual C++
Development files
- / -
Visual C++ TLH Header related extensions:
ACUCOBOL-GT Compiled Program
Microsoft BizTalk Server XLANG Schedule
Microsoft BizTalk Server XLANG Schedule Drawing
Linux 2.6 Kernel Object
IBM Rational XDE Diagram

Naturally, other applications may also use the .tlh file extension. Even harmful programs can create .tlh files. Be especially cautious with .tlh files coming from an unknown source!

Can't open a .tlh file?

When you double-click a file to open it, Windows examines the filename extension. If Windows recognizes the filename extension, it opens the file in the program that is associated with that filename extension. When Windows does not recognize a filename extension, you receive the following message:

Windows can't open this file:


To open this file, Windows needs to know what program you want to use to open it. Windows can go online to look it up automatically, or you can manually select one from a list of programs that are installed on your computer.

To avoid this error, you need to set the file association correctly.

The .tlh file extension is often given incorrectly!

According to the searches on our site, these misspellings were the most common in the past year:

tmh, tlm, glh, tl, tph, flh, tlt, tlb, thl, rlh, lh, toh, tly, tln, tlg

Is it possible that the filename extension is misspelled?

Similar file extensions in our database:

Gallery Lock Pro Locked Video
OpenTL Data
Windows Trace Message Header File
Spektrum DX8 Telemetry Log
HyperLynx LineSim Schematic
Ashampoo Photo Optimizer Data

Operating systems

DataTypes.net currently supports the following operating systems:

Windows XP/Vista, Windows 7/8, Windows 10, CentOS, Debian GNU/Linux, Ubuntu Linux, FreeBSD, Mac OS X, iOS, Android

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