SD File
What are SD files and how to open them
Are you having problems opening a SD file or are you simply curious about its contents? We're here to explain the properties of these files and provide you with software that can open or handle your SD files.
What is a SD file?
A .SD file is an ESPS Sampled Data file.
We have not yet analyzed in detail what these files contain and what they are used for. We're working on it.
How to open SD files
Important: Different programs may use files with the SD file extension for different purposes, so unless you are sure which format your SD file is, you may need to try a few different programs.
While we have not verified the apps ourselves yet, our users have suggested ten different SD openers which you will find listed below.
Last updated: February 9, 2023
Various apps that use files with this extension
These apps are known to open certain types of SD files. Remember, different programs may use SD files for different purposes, so you may need to try out a few of them to be able to open your specific file.
 | ChemDoodle | Verified |
 | ChemAxon Marvin | User submitted |
 | Mercury | User submitted |
 | Fledermaus | User submitted |
 | SIMARIS design | User submitted |
 | DictionaryBrowser | User submitted |
 | DiscoveryStudio Application | User submitted |
 | DS Visualizer | User submitted |
 | DiscoveryStudio Client | User submitted |
 | Sierra Wave Application | User submitted |
Help us help others
File.org helps thousands of users every day, and we would love to hear from you if you have additional information about SD file formats, example files, or compatible programs. Please use the links below or email us at submit@file.org to discuss further.
Not sure exactly what type of file you are trying to open? Try our new File Analyzer. It is a free tool that can identify more than 11,000 different kinds of files - most likely yours too! It will help you find software that can handle your specific type of file. Download File Analyzer here.