Files with dtd extension can be mainly found as special document source files in the SGML and XML Document Type Definition format.

There are 4 other file types using
the DTD file extension!

empty icon.dtd - ArcView UNIX Hyperhelp supporting data

empty icon.dtd - 2D Design drawing

dtd icon.dtd - ICQ 6 settings

dtd icon.dtd - Orgadata LogiKal file

DTD file extension - Document Type Definition format

What is dtd file? How to open dtd files?

File type specification:

Source code and script file type icon Source code and script file type

File extension dtd is used for SGML (and XML) Document Type Definition files.

SGML is a system for defining markup languages. Authors mark up their documents by representing structural, presentational, and semantic information alongside content.

HTML is one example of a markup language.

MIME types:
application/xml
text/xml

Updated: December 4, 2023

The default software associated to open dtd file:

Microsoft Visual Studio icon

Microsoft Corporation logoMicrosoft Visual Studio  Multiplatform software

Company or developer:
Microsoft Corporation

Microsoft Visual Studio is an integrated development environment (IDE) used to create applications for Microsoft Windows, Windows Mobile, .NET Framework, Silverlight as well as dynamic websites and web applications. Visual Studio is available for Windows and Mac.

Help how to open:

Use any text or XML editor to open and view .dtd files.

How to convert:

It should be possible to conver .dtd files to other document formats.

Find conversions from dtd file:

dtd to dxf

dtd to xsl

List of software applications associated to the .dtd file extension

Recommended software programs are sorted by OS platform (Windows, macOS, Linux, iOS, Android etc.)
and possible program actions that can be done with the file: like open dtd file, edit dtd file, convert dtd file, view dtd file, play dtd file etc. (if exist software for corresponding action in File-Extensions.org's database).

Hint:
Click on the tab below to simply browse between the application actions, to quickly get a list of recommended software, which is able to perform the specified software action, such as opening, editing or converting dtd files.

Software that open dtd file - Document Type Definition format

Programs supporting the exension dtd on the main platforms Windows, Mac, Linux or mobile. Click on the link to get more information about listed programs for open dtd file action.

Multiplatform:

Main software associated with dtd file by default:
Microsoft Visual Studio small icon Microsoft Visual Studio
Other suggested software:
oXygen XML Editor small icon oXygen XML Editor

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