FTLH file format description

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

1 filename extension(s) found in our database.

.ftlh - FreeMarker HTML Template

The FTLH development files are related to Apache FreeMarker. The FTLH file is a FreeMarker HTML Template. Apache FreeMarker is a template engine, a Java library to generate text output (HTML web pages, e-mails, configuration files, source code, etc.).

Apache FreeMarker
Development files
- / -
FreeMarker HTML Template related extensions:
Sysquake SQ Application
Compiled WMLScript
StarUML UML Fragment Data
EasyBuilder Pro Picture Library
GNU Make C Property-list Data
Omnis Studio v6 Database

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

Can't open a .ftlh 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 .ftlh file extension is often given incorrectly!

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

flh, fth, ftl, tlh

Is it possible that the filename extension is misspelled?

Similar file extensions in our database:

Forth Source Code
Faster Than Light Mod Data
Flash High Definition Video
Visual C++ TLH Header
FileMaker Pro Theme
Foobar2000 Theme Data

Operating systems

DataTypes.net currently supports the following operating systems:

Windows XP/Vista, Windows 7/8/10, Windows 11, CentOS, Debian GNU/Linux, Ubuntu Linux, FreeBSD, macOS, Mac OS X, iOS, Android

If you find the information on this page useful, please feel free to link to this page.


If you have useful information about the .ftlh file format, then write to us!

DataTypes.net >> FTLH file