A daily updated filename extension database!

SI file extension

The table below provides useful information about the .si file extension. It answers questions such as:

  • What is the .si file?
  • What program do I need to open a .si file?
  • How can the .si file be opened, edited or printed?
  • How can I convert .si files to another format?

We hope you find this page helpful and a valuable resource!

1 extension(s) and 0 alias(es) found in database

✅ AutoDesk Softimage Document

AutoDesk Softimage Document .si file icon
SI file is an AutoDesk Softimage Document. Autodesk Softimage is a 3D computer graphics application owned by Autodesk for producing 3D computer graphics, 3D modeling, and computer animation.
SI format description not yet available
Category: Graphic files
Application: AutoDesk Softimage
Mime-type: application/octet-stream
Magic number: -
Magic string: -
Sample: -
SI aliases:
SI related links:
SI related extensions:
AutoDesk Softimage Workgroup Data

AutoDesk Softimage Export Model

AutoDesk Softimage Scene

AutoDesk Softimage ZPIC Image

AutoDesk Softimage Data

Other types of files may also use the .si file extension.

🔄 .si converters

The following softwares are capable of converting .si files to other formats:


For example, using the softwares above, a .si file can be converted into one of the following formats:

pmg, p64, lbm, ppt, pcp, tap, pxa, afl, dng, prn, jpe, mic, spc, psf, prf

🚫 The .si file extension is often given incorrectly!

According to the searches on our site, these misspellings were the most common in the past year:

ci, ei, is, qi, sj, sk, sl, so, su, wi, xi

Is it possible that the filename extension is misspelled?

We found the following similar file extensions in our database:

Modula-3 Intermediate Assembly File
SUwin Project
RenderMan Shader Source
Rsyslog Queue Info
FastTracker 2 Instrument
S-Lang Source Code
Google Science Journal Data
iBlaze Case Information File
J Wavelet Image Codec Bitmap
DataFlex Selection List

🔴 Can't open a .si file?

When you double-click a file to open it, Windows examines the filename extension. If Windows recognizes the filename extension, it opens the file in the program that is associated with that filename extension. When Windows does not recognize a filename extension, you receive the following message:

Windows cannot open this file:


To open this file, Windows needs to know what program you want to use to open it...

If you don't know how to set the .si file association, check the FAQ.

🔴 Can I change the extension of files?

Changing the filename extension of a file is not a good idea. When you change a file's extension, you change the way programs on your computer read the file. The problem is, changing the file extension does not change the file format.

If you have helpful information about the .si file extension, write to us!

Browser: Abbreviation Application Archive Audio Configuration Data Development Disk Image Document Ebook Font Game Data GIS Graphic Malware Multimedia Other Project Scam Unknown Video
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