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Document Type Definition format
File type: Text file, Source code and script file
Files with dtd extension can be mainly found as special document source files in the SGML and XML Document Type Definition format.
Found 5 different file type records with the same dtd filename suffix.
File type category:
Text file
Source code and script file
Date updated: December 31, 2024
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
Use any text or XML editor to open and view .dtd files.
It should be possible to conver .dtd files to other document formats.
Software applications that can open dtd files:
Microsoft Windows
Apple macOS / Mac OS X
Linux/Unix
Multiplatform
Software applications that can edit dtd files:
Microsoft Windows
Apple macOS / Mac OS X
Linux/Unix
Multiplatform
Software capable of saving dtd files:
Microsoft Windows
Apple macOS / Mac OS X
Linux/Unix
Multiplatform
Software apps that create dtd files:
Microsoft Windows
Apple macOS / Mac OS X
Linux/Unix
Multiplatform
File type category:
Graphics file
Date updated: January 5, 2025
The dtd file extension is associated with the 2D Design, a CAD application used to create 2D CAD drawings, developed by TechSoft.
The dtd file contains drawing created in the 2D Design.
Use 2D Design to open *.dtd files.
The *.dtd files can be exported to dxf, emf, wmf, bmp, gif, jpg, png, tif and plt formats.
Software applications that can open dtd files:
Microsoft Windows
Software applications that can edit dtd files:
Microsoft Windows
Software capable of saving dtd files:
Microsoft Windows
Software apps that import dtd files:
Microsoft Windows
Software apps that export dtd files:
Microsoft Windows
Software apps that print dtd files:
Microsoft Windows
File type category:
Various data file
Date updated: December 18, 2018
The dtd file extension is also related to Unix version of ESRI ArcView, a GIS software for Microsoft Windows operating system and used for some sort of help supporting file type.
Probably not meant to be accessed by the user.
Probably cannot be converted to anything else.
Software apps that create dtd files:
Microsoft Windows
Software applications that handle other tasks involving dtd files:
Microsoft Windows
File type category:
Settings, options, themes or skins file
Date updated: June 24, 2019
Record marked as obsolete and not updated for a long time.
The dtd file extension is also reported to be used for sort of settings/configuration files for ICQ 6 instant messaging program. Most likely obsolete format. Can be edited with any text editor.
Use text editing tool to open *.dtd files.
Probably cannot be converted to anything else.
Software apps that manage or store settings in dtd files:
File type category:
Various data file
Date updated: March 2, 2011
The DTD file extension is associated with the Orgadata LogiKal application.
Software applications that handle other tasks involving dtd files:
Microsoft Windows
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