Open SMI File – What is and How to View – Format and Programs

Files type: Self-Mounting Disk Image


The SMI files extension stands for Self Mounting Disk Image. It is used for the disk image files created by Apple Disk Copy or Alladin ShrinkWrap for Mac OS Classic.

Files in the SMI format mount as disks on the computer desktop when they are opened. For MacOS X was later replaced by the DMG file extension.


Detailed information 

Category: Disk Files
File format: Propriety
Open with Windows: N/A
Open with Linux: N/A
A self mounting disk image is described as the disk image summarized in a certain application that mounts the image as file system.
When these images are downloaded from the Web, they are usually in BinHex, StuffIt, or BIN formats.
Even though these images are considered as applications, they still have the SMI extension.
The use of self mounting images has gradually reduced upon the arrival of the Mac OS X Operating System. This is because the file extension for the mounting d