Filename Extensions
If you are seeking information about file extensions, then you are in the right place at right time.

Details of extension .sd

7 extension(s) and 1 alias(es) in our database

Below, you can find answers to the following questions:

  • What is the .sd file?
  • Which program can create the .sd file?
  • Where can you find a description of the .sd format?
  • What can convert .sd files to a different format?
  • Which MIME-type is associated with the .sd extension?
.sd
Sound Designer Audio .sd file icon

Sound Designer Audio

The SD file is a Sound Designer Audio. Sound Designer was originally designed to edit sounds for the E-MU Emulator sampling keyboard.
Detailed description not available
Category: Audio files
Program name: -
Mime-type: application/octet-stream
Magic bytes (HEX): -
Magic string (ASCII): -
Aliases:
dig
Links:
Related extensions:
-
.sd
TIFF Screened Data .sd file icon

TIFF Screened Data

The SD file is a TIFF Screened Data. TIFF (Tagged Image File Format) is a file format for storing images, popular among graphic artists, the publishing industry.
Category: Graphic files
Application: XnView
Program name: -
Mime-type: image/tiff
Magic bytes (HEX): -
Magic string (ASCII): -
Aliases:
-
Links:
-
Related extensions:
Tag Image File Format
Binary Linework TIFF Image
Binary Picture TIFF Image
Line Work TIFF Image
High Resolution Continuous-tone TIFF Image
Monochrome Picture TIFF Image
TIFF Final Page
TIFF Contone File
Multi-page TIFF Format Data
.sd
STK Satellite Database Main File .sd file icon

STK Satellite Database Main File

The SD file is a STK Satellite Database Main File. STK (Systems Tool Kit) is a physics-based software geometry engine that accurately displays and analyzes land, sea, air, and space assets in real or simulated time.
Detailed description not available
Category: Data files
Application: Systems Tool Kit
Program name: -
Mime-type: application/octet-stream
Magic bytes (HEX): -
Magic string (ASCII): -
Aliases:
-
Links:
-
Related extensions:
STK Planetary Ephemeris File
STK Aerodynamics File
STK Attitude
STK Azimuth-Elevation Mask
STK Body Mask File
STK Calculation Scalar File
STK Central Body Rotation File
STK City Database Main File
STK City Database Counties
.sd
ArcGIS Service Definition Data .sd file icon

ArcGIS Service Definition Data

The SD file is an ArcGIS Service Definition Data. ArcGIS is a geographic information system (GIS) for working with maps and geographic information.
Detailed description not available
Category: GIS files
Application: ArcGIS Pro
Program name: -
Mime-type: application/octet-stream
Magic bytes (HEX): -
Magic string (ASCII): -
Aliases:
-
Links:
-
Related extensions:
ArcGIS TIFF World File
ArcGIS BIL World File
ArcGIS JPEG World File
ArcGIS Attribute Index
ArcGIS Codepage
ArcGIS Optional Index
ArcGIS Spatial Index
ArcGIS RO Spatial Index
ArcGIS Published Map
.sd
Simple Diary Saved Data .sd file icon

Simple Diary Saved Data

The SD file is a Simple Diary Saved Data. Simple Diary is a free and easy-to-use diary program developed by Webbed Feet.
Detailed description not available
Category: Data files
Application: Simple Diary
Program name: -
Mime-type: application/octet-stream
Magic bytes (HEX): -
Magic string (ASCII): -
Aliases:
-
Links:
-
Related extensions:
-
.sd
Train Simulator Shape Definition Data .sd file icon

Train Simulator Shape Definition Data

The SD file is a Train Simulator Shape Definition Data. Microsoft Train Simulator is a Windows PC simulation game that simulates the experience of being a train conductor.
Detailed description not available
Category: Game Data files
Application: Train Simulator
Program name: -
Mime-type: application/octet-stream
Magic bytes (HEX): -
Magic string (ASCII): -
Aliases:
-
Links:
-
Related extensions:
Train Simulator Traffic Pattern
Train Simulator Model Identification
Train Simulator Wagon File
Train Simulator Cab View Data
Train Simulator Packaged Activity Data
Train Simulator Activity Data
Train Simulator Track Path Data
Train Simulator Computed Activity Data
Train Simulator Environment Data
.sd
TestComplete DelphiScript Unit .sd file icon

TestComplete DelphiScript Unit

The SD file is a TestComplete DelphiScript Unit. TestComplete is an open test platform for creating, maintaining, and executing automated tests for desktop, Web, mobile, and client-server software applications.
Detailed description not available
Category: Development files
Application: TestComplete
Program name: -
Mime-type: application/octet-stream
Magic bytes (HEX): -
Magic string (ASCII): -
Aliases:
-
Links:
-
Related extensions:
TestComplete Log File
TestComplete Configuration File
TestComplete Configuration Reference File
TestComplete Log Configuration File
TestComplete Project Suite File
TestComplete Events Project Data
TestComplete Project
TestComplete Test Visualizer Index
TestComplete Single User Form Data
.mol
MDL Molfile Data .mol file icon

MDL Molfile Data

The MOL file is an MDL Molfile Data. Each MOL file describes a single molecular structure which can contain disjoint fragments.
Detailed description not available
Category: Data files
Application: Open Babel
Program name: -
Mime-type: application/octet-stream
Magic bytes (HEX): -
Magic string (ASCII): -
Aliases:
mdl, sd, sdf
Links:
Related extensions:
-

Other types of files may also use the .sd file extension. If you have helpful information about .sd extension, write to us!

Is it possible that the filename extension is misspelled?

We found the following similar extensions in our database:

Microsoft Works Data
STK City Database Main File
Furcadia Dragonspeak Data
LithTech Game Level Data
Sharp MZ-series Emulator Quick Disk Data
Esterel Unsorted Circuit Code
Shuttle Source
RMCProfile Sulphur and Fluorine Data
Sun Raster Image

The .sd filename extension is often given incorrectly!

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

ds (1), 5d (1), wd (1), sw (1), ss (1), sf (1), sc (1), ed (1), cd (1), xd (1), sx (1), sv (1), sr (1), se (1), qd (1)

Can't open a .sd file?

If you want to open a .sd file on your computer, you just need to have the appropriate program installed. If the .sd association isn't set correctly, you may receive the following error message:

Windows can't open this file:

File: example.sd

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 from a list of programs that are installed on your computer.

To change file associations:

  • Right-click a file with the extension whose association you want to change, and then click Open With.
  • In the Open With dialog box, click the program whith which you want the file to open, or click Browse to locate the program that you want.
  • Select the Always use the selected program to open this kind of file check box.

Supported operating systems

Windows Server 2003/2008/2012/2016, Windows 7, Windows 8, Windows 10, Linux, FreeBSD, NetBSD, OpenBSD, Mac OS X, iOS, Android