.SI

SI File

AutoDesk Softimage image file
Ask a question
QUICK ANSWER

A .SI file is associated with AutoDesk Softimage image, a 3d image file.

Developer: Autodesk Category: 3D Image Files
OPENS ON Windows Mac OS Linux
Related: .DCM · .STEP · .SKP · .STP

On this page

19k+ extensions indexed
Last reviewed

Not sure what your file is?

Drop any file into our identifier - we read just the first bytes to name the format.

Identify a file

What is the SI file format?

A file with the .SI extension is a file known as AutoDesk Softimage image. It belongs to the 3D Image Files category. This format is associated with Autodesk.

The reliable way to open a .SI file is with software that recognises this exact format, rather than guessing from the file name. If you are not sure what created a file, our file identifier can read its first bytes and name the real format, even when the file has been renamed.

This page lists 4 programs that open .SI files. A fully verified, hand-written description of this format is being prepared; until then, the details on this page are drawn directly from our database.

Format details

in a nutshell
FULL NAMEAutoDesk Softimage image file
DEVELOPERAutodesk

Programs that open SI files

Windows2 apps
Mac OS1 app
Linux1 app

Community Q&A

asked by users
Ask a quick question
Get help from people who work with SI files. Be specific - include your system and software version.
No account needed · answers usually within a day

No questions yet - be the first to ask about SI files.

Keep exploring

across the database

Top extensions this week

1.AQQAQQ Instant Messenger File
2.BINCD/DVD Disc Image (BIN/CUE)
3.MDMarkdown Document
4.CRDOWNLOADChrome Partial Download File
5.RPMSGRestricted Permission Message
6.PARTPartial Download File
7.NOMEDIAAndroid No-Media Marker File
8.EXEWindows Executable (Portable Executable)
9.DBSQLite Database File
10.SWFSmall Web Format (Shockwave Flash)

Related extensions

.DCMDICOM Medical Image
.STEPSTEP - Standard for the Exchange of Product Data (ISO 10303)
.SKPSketchUp Document
.STPSTEP - Standard for the Exchange of Product Data (ISO 10303), .stp spelling
.MTLMaterial Template Library (Wavefront)
.MAX3ds Max Scene File (Autodesk 3ds Max)

Free file tools

An in-browser file identifier and image converter - everything runs on your device.

Open the toolbox

Browse file extensions A-Z