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SDX file extension

The table below provides useful information about the .sdx file extension. It answers questions such as:

  • What is the .sdx file?
  • What program do I need to open a .sdx file?
  • How can the .sdx file be opened, edited or printed?
  • How can I convert .sdx files to another format?

Table of Contents

We hope you find this page helpful and a valuable resource!

1 extension(s) and 0 alias(es) found in database

✅ MIDI Sample Dump Exchange

SDX file is a MIDI Sample Dump Exchange file. The Sample Dump Standard (SDS) defines the standard method for transfer of sound sample data between MIDI-equipped devices. SDS file is a raw MIDI data dump of an SDS transfer and can be up to twice as large as the actual waveform. SDX is a compacted form that the program SDX uses to save SDS samples.
Category: Audio files
Application: SDX
Mime-type: audio/sdx
Magic number: -
Magic string: -
Sample: -
SDX aliases:
SDX related links:
SDX related extensions:
Audio Interchange File

Velvet Studio Music Module

X-Tracker Music Module

Encore Notation Data

Farandole Composer Music Module

Impulse Tracker Music Module

Lyrics Data

OctaMED Music Module

MIDI Music

MPEG Audio Layer 3 File

Other types of files may also use the .sdx file extension.

🚫 The .sdx file extension is often given incorrectly!

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

cdx, dsx, dx, edx, qdx, scx, sd, sda, sdc, sdd, sds, sdz, sex, sfx, srx

Is it possible that the filename extension is misspelled?

We found the following similar file extensions in our database:

STK Satellite Database Main File
ArcGIS Service Definition Data
Sound Designer Audio
TIFF Screened Data
Amiga 8SVX Sound
Survex Data File
Visual Basic Designer Binary File
DAZ Studio Configuration
CorelDraw Compressed Drawing
ChemDraw Exchange Document

🔴 Can't open a .sdx 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 cannot open this file:


To open this file, Windows needs to know what program you want to use to open it...

If you don't know how to set the .sdx file association, check the FAQ.

🔴 Can I change the extension of files?

Changing the filename extension of a file is not a good idea. When you change a file's extension, you change the way programs on your computer read the file. The problem is, changing the file extension does not change the file format.

If you have helpful information about the .sdx file extension, write to us!

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