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SD2 File Extension

The SD2 file extension was created by Avid Technology and is also known as the Sound Designer II File. SD2 is classified as a Audio Files and This File type categories under Zip, Text, Binary and XML, however, the format of this file format has not been determined yet. You can open SD2 files in Avid Pro Tools program.

Sound Designer II File Type

Sound Designer II File Type
Extension .sd2
Developer Avid Technology
Popularity 5.0 (129 Votes)
Mime Type text/x-asm
Default Program Avid Pro Tools
Category Audio Files
Format Binary
Updated 7/1/2025

What is a SD2 File Type?

Digidesign is now Avid Technology.

Free Online SD2 Tools & Apps

Access powerful and secure free online SD2 tools to convert, view, edit, merge, split, and compare SD2 files — all without installing any software. Our tools support the .SD2 (Sound Designer II File) file extension and run smoothly in any modern browser.

Select a tool below to explore features and manage your SD2 files directly from your device with ease.

SD2 Files Common Issues

There are few common issues with the Sound Designer II File .SD2 File Extensions while opening the .SD2 files on Windows and MacOs, we have solution to those issues such as:

Can't Open SD2 Files?

  1. You must have supported software programs installed for Sound Designer II File on your system such as Avid Pro Tools.
  2. Associate default Avid Avid Pro Tools program for *.sd2 (Sound Designer II File) files.

    Associate SD2 Default Program on Windows
    1. Right-click a *.SD2 (e.g example.sd2) file and click Open With.
    2. In the Open with dialog box, click Avid Avid Pro Tools program Or click Browse to locate the program (*.exe) that you want.
    3. Select check box for Always use this app to open .sd2 files.

    Associate SD2 Default Program on MacOs
    1. Click *.SD2 (e.g example.sd2) file and click information -> Open With.
    2. In the programs list, click Avid Avid Pro Tools program Or other appropriate program that you want.
    3. Confirm Change for all... and Contine.
    4. A message will appear "This change will be applied to all files with .Avid Pro Tools extension. By clicking Continue you confirm your selection", click Contine to apply changes.

All Platform Software Programs for SD2 File Extension

List of all softwares that can open the SD2 files on each platforms such as Windows, Mac, iOS, Linux, Web and Android, you may click the each software link for more details for other supported formats for each software and the verified direct download links for each software with complete lisensing details.

Microsoft Windows logo image Open SD2 File on Windows

Software License Developer
ACD Systems ACDSee image. ACD Systems ACDSee 2019 for Windows Commercial ACD Systems
FMJ-Software Awave Studio image. FMJ-Software Awave Studio 10 for Windows Shareware FMJ-Software
Adobe Flash image. Adobe Flash CC for Windows Commercial Adobe
Apple iTunes image. Apple iTunes 12 for Windows Freeware Apple
Avid Pro Tools image. Avid Pro Tools 11 for Windows Commercial Avid

MacOs logo image - FileProInfo.comOpen SD2 File on Mac OS

Software License Developer
Adobe Flash image. Adobe Flash CC for MacOs Commercial Adobe
Apple iTunes image. Apple iTunes 12 for MacOs Freeware Apple
Avid Pro Tools image. Avid Pro Tools 11 for MacOs Commercial Avid

Linux logo image - FileProInfo.comOpen SD2 file on Linux

Software License Developer

Website logo image - FileProInfo.comOpen SD2 file on Web

Software License Developer

iOS logo image - FileProInfo.comOpen SD2 file on iOS

Software License Developer

Android logo image - FileProInfo.comOpen SD2 file on Android

Software License Developer

About Licensing

  1. Free Trial This software are often used for an attempt period, like 14 days, before requiring payment. Some trial versions have a reduced feature set.
  2. Free This software is liberal to use. Examples include open-source , freeware software, like free programs supported by advertising.
  3. Free+ This software is liberal to download and use, but contains in-app purchases (IAP) to unlock additional content or functionality.
  4. Paid This software must be purchased so as to use it. it's going to be offered as a perpetual license or ongoing subscription.
  5. Included with OS This software is bundled with an OS , like Windows, macOS, or Android.

SD2 file extension icon image.About SD2 - Sound Designer II File

FileProInfo is to help you understand about the Sound Designer II File with *.SD2 suffix, and provide the complete detail as how to open, edit, convert, merge, split and compare it with other related software programs, software download links and free online apps and tools.

Our professional team members at FileProInfo have been individually researched and verified the details for SD2. We want to be 100% accurate and publish the information about file formats, tools, apps and software programs that we have tested and validated.

If you would like to suggest any additions or updates to this page for SD2, please let us know.

Updated 7/1/2025