SD files: what are they and how do I open them?
Are you facing difficulties opening unknown files on your computer, or wondering exactly what this file is?
We've got the information and best software solutions for opening these files effortlessly.
.sd file type #1: Entropic sound data format
Files with sd file extension can be often encountered as audio files saved in the Entropic sound data format.
Further details:
The sd file extension seems to be mainly related to various audio formats, including the Entropic sound data format.
Entropic Research Laboratories used a proprietary file format for its WAVES+ display program, ESPS signal processing library and the HTK hidden Markov model speech recognition toolkit. WAVES+ and ESPS were withdrawn when Entropic was acquired by Microsoft in October 1999.
Open file with:
Awave Studio
Audio editting software with huge format support
.sd file type #2: ArcGIS compiled service definition data
An sd file extension is related to the ArcGIS compiled service definition file format.
Further details:
The sd file extension is associated with the ArcGIS, a geographic information system (GIS) for Microsoft Windows and Microsoft Windows Server operating systems.
The sd file stores compiled service configuration for publishing map documents.
Open file with:
ArcGIS
A group of GIS (geographic information system) applications
.sd file type #3: MDL Molfile MDL structure data file
Files with sd extension are used for a chemistry software called MDL Draw. They include structure data used by MDL.
Further details:
The sd file extension is related to a chemistry software which was originally developed by Symyx Technologies, Inc. An *.sd file contains structure data file used by MDL.
MIME: chemical/x-mdl-sdfile
Open file with:
MDL Draw
A discontinued drawing tool for scientists
.sd file type #4: Mechanical Toys drawing
Files with sd extension might also be CAD drawings from Mechanical Toys program. Education program.
Further details:
File extension sd is also used for one of the default files in the Mechanical Toys design technology program from Focus Educational Software.
These .sd files contain CAD drawing created and saved in the program.
Open file with:
Mechanical Toys
A mechanics learning software
.sd file type #5: Simple Diary saved diary
An sd file extension is associated with the Simple Diary program. An sd file stores saved diary.
Further details:
The sd file extension is related to a small program called Simple Diary, a personal management and scheduling software from Webbed Feet UK.
The sd file contains saved diary from this program.
Open file with:
Simple Diary
A diary program for Windows
.sd file type #6: Sound Designer I audio
An sd file extension is related to the Sound Designer 1, a music composing software. An sd file stores audio.
Further details:
The sd file extension is related to an older 8, 16-bits mono sound format used by Sound Designer program.
Most likely some old format without support. No further information could be found.
Open file with:
Awave Studio
Audio editting software with huge format support
.sd file type #7: Train Simulator shape definition
An sd file extension is related to the Microsoft Train Simulator computer game. An sd file contains game data.
Further details:
The sd file extension is used for shape files in Microsoft Train Simulator, a train simulation video game for Microsoft Windows, developed by Microsoft Games.
The sd file contains shape definition data.
Open file with:
Train Simulator
A train simulation computer game for Windows