.SDX File

File extension sdx is mainly related to some older audio sample (8, 38-bits mono sound) format. Probably originates in some audio programs.

Seems to be obsolete format without support from developer.

This sdx file type entry was marked as obsolete and no longer supported file format.

This type of file is no longer actively used and is most likely obsolete. This is typically the case for system files in old operating systems, file types from long discontinued software, or previous versions of certain file types (like documents, projects etc.) that were replaced in higher versions of their original programs.

Files with sdx extension can be also found as audio sample file from some long forgotten software.

How to open:

Some audio editting tools, such as Awave Studio, usually support huge numbe of various audio formats, including .sdx files.

How to convert:

Audio files can be usually converted between various formats.