>> D2H file

D2H file format description

Many people share .d2h files without attaching instructions on how to use it. Yet it isn’t evident for everyone which program a .d2h file can be edited, converted or printed with. On this page, we try to provide assistance for handling .d2h files.

1 filename extension(s) found in our database.

.d2h - Doc-To-Help Project

The D2H project files are related to Doc-To-Help. The D2H file is a Doc-To-Help Project. Doc-To-Help is an authoring and multi-channel publishing solution that allows content creators to continue using Microsoft Word as their authoring editor.

Project files
- / -
Doc-To-Help Project related extensions:
Doc-To-Help File Lock

Naturally, other applications may also use the .d2h file extension. Even harmful programs can create .d2h files. Be especially cautious with .d2h files coming from an unknown source!

Can't open a .d2h 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 .d2h file extension is often given incorrectly!

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

d2, d2u, dh, dh2, dwh

Is it possible that the filename extension is misspelled?

Similar file extensions in our database:

Progress OpenEdge Database
Deus Ex: Invisible War Data
David Hanney Music
Pursuit CRM Report Viewer Data
Autodesk AutoCAD DWGLOG Log
WaterGEMS Drawing

Operating systems 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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