SI File Extension

SI file extension is created by Autodesk, also known as Softimage Image File. SI has been classified as 3D Image Files. 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 SI files in Sia program.

Softimage Image File Type

Softimage Image File Type

Extension	.si
Developer	Autodesk
Popularity	Very Common Common Average Uncommon Rare 5.0 (27 Votes) Thank you for voting!Already voted, thanks!
Mime Type	mime-type/not.available
Default Program	Sia
Category	3D Image Files
Format	Binary
Updated	6/1/2025

What is a SI File Type?

Once owned by Softimage, Co. The software is now owned by Autodesk.

Autodesk stopped supporting Softimage in 2016.

What is a Default SI File Name?

JUKEBOX.SI - Common SI found with LEGO Island which contains multiple tracks and dialogue.

Free online SI Tools & Apps

We have also the free online .SI (Softimage Image File) file extension apps that can allow to view, edit, convert from to SI, merge, split and compare the SI files without installing anything on your system. Please click on the links to explore the complete list of details for each required feature.

SI Files Common Issues

There are few common issues with the Softimage Image File .SI File Extensions while opening the .SI files on Windows and MacOs, we have solution to those issues such as:

Can't Open SI Files?

1. You must have supported software programs installed for Softimage Image File on your system such as Sia.
2. Associate default Sia Sia program for *.si (Softimage Image File) files.
   
   

   Associate SI Default Program on Windows

   1. Right-click a *.SI (e.g example.si) file and click Open With.
   2. In the Open with dialog box, click Sia Sia program Or click Browse to locate the program (*.exe) that you want.
   3. Select check box for Always use this app to open .si files.
   
   

   Associate SI Default Program on MacOs

   1. Click *.SI (e.g example.si) file and click information -> Open With.
   2. In the programs list, click Sia Sia 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 .Sia extension. By clicking Continue you confirm your selection", click Contine to apply changes.

Related SI File Extensions

SI default file extension is .SI and other similer related extensions are:

All Platform Software Programs for SI File Extension

List of all softwares that can open the SI 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.

Open SI File on Windows

	Software	License	Developer
	Sia 000 for Windows	Free+	Sia
	XnSoft XnViewMP 0.93 for Windows	Freeware	XnSoft

Open SI File on Mac OS

	Software	License	Developer
	Sia 000 for MacOs	Free+	Sia
	XnSoft XnViewMP 0.93 for MacOs	Freeware	XnSoft

Open SI file on Linux

	Software	License	Developer
	Sia 000 for Linux	Free+	Sia
	XnSoft XnViewMP 0.93 for Linux	Freeware	XnSoft

Open SI file on Web

	Software	License	Developer

Open SI file on iOS

	Software	License	Developer

Open SI 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.

About SI - Softimage Image File

Updated 6/1/2025

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