An si file suffix is associated with the AutoDesk Softimage software and used for its images.
There is one other file type using
the SI file extension!
.si - SIwin project
Detailed description
Software that open si file
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What is si file? How to open si files?
The si file extension is related to AutoDesk Softimage, a high-performance 3D character animation and visual effects application.
The si file contains Softimage image created and saved in the program.
The default software associated to open si file:
Autodesk Softimage 
Company or developer:
Autodesk, Inc.
Autodesk Softimage software is a 3D modeling, animation, rendering, and compositing solution optimized for artist efficiency.
Help how to open:
Use AutoDesk Softimage to view content of *.si files.
How to convert:
AutoDesk Softimage is may be capable of export *.si files to other formats.
List of software applications associated to the .si file extension
Recommended software programs are sorted by OS platform (Windows, macOS, Linux, iOS, Android etc.)
and possible program actions that can be done with the file: like open si file, edit si file, convert si file, view si file, play si file etc. (if exist software for corresponding action in File-Extensions.org's database).
Hint:
Click on the tab below to simply browse between the application actions, to quickly get a list of recommended software, which is able to perform the specified software action, such as opening, editing or converting si files.
Software that open si file - AutoDesk Softimage image
Programs supporting the exension si on the main platforms Windows, Mac, Linux or mobile. Click on the link to get more information about Autodesk Softimage for open si file action.
si file editor and apps that can edit si file - AutoDesk Softimage image
Programs supporting the exension si on the main platforms Windows, Mac, Linux or mobile. Click on the link to get more information about Autodesk Softimage for edit si file action.
si file viewer - programs that view si file - AutoDesk Softimage image
Programs supporting the exension si on the main platforms Windows, Mac, Linux or mobile. Click on the link to get more information about XnView MP for view si file action.
Programs that can create si file - AutoDesk Softimage image
Programs supporting the exension si on the main platforms Windows, Mac, Linux or mobile. Click on the link to get more information about Autodesk Softimage for create si file action.
Unspecified and all other actions for computer programs working with si file - AutoDesk Softimage image
Click on the software link for more information about Autodesk Softimage. Autodesk Softimage uses si file type for its internal purposes and/or also by different way than common edit or open file actions (eg. to install/execute/support an application itself, to store application or user data, configure program etc.).
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