File Extension Database

Open SMI File

SMI files have various uses, some of them are presented below:

Self-Mounting Disk Image

In this section, and as its acronym indicates, an SMI (Self-Mounting Image) file is a disk image file created by Aladdin ShrinkWrap or Apple Disk Copy in Mac OS Classic (Mac OS 9 or earlier).

The SMI format contains a disk image that mounts as a disk on the computer when opened.

SMI files, similar to IMG files, were designed to make floppy disks and CDs available as digital downloads.

In this case, just double-clicking on the SMI files was enough and that caused it to load a virtual disk on the desktop of the computer.

When Mac OS X replaced Mac OS Classic, the "DiskImageMounter" utility was included in Mac OS X to mount SMI images, however, self-mounting images became less popular as such files were replaced by DMG files on Mac OS X.

SMIL Presentation

In this case, the SMI format is used as an audiovisual presentation created with the Synchronized Multimedia Integration Language or SMIL, according to its acronym.

The SMI is used for multimedia presentations and slide shows, containing references to a sequence of multimedia files, as well as text and other data.

SMI files for SMIL often use the SMIL extension to avoid confusion with the Mac OS 9 SMI disk image extension, which is why the SMI extension is most often seen on Windows computers.

SAMI Subtitles File

In this case, an SMI file is a video subtitle file created in the Synchronized Accessible Media Interchange, or SAMI format, which was developed by Microsoft.

SMI is used to store closed captions that are synchronized with video playback.

The SAMI format is extremely versatile and therefore compatible with many different video players as well as subtitle editors.

Software to open an SMI file

Due to the great diversity of types of formats for the SMI extension, it is advisable to make sure, first, of the type of file you have in your hands, and then to have one of the following software packages:

Typical SMI application file locations:

C:\Program Files (x86)\QuickTime\QuickTimePlayer.exe "%1"

Frequently used application names to open SMI files:

QuickTime

Frequently associated Windows objects:

QuickTime.smi

How Can I Open SMI File on Windows

We researched and learned that the best way to open SMI file is to find a SMI file in question in Windows OS File Explorer and double click on it to launch the corresponding application.
If a SMI file is not opened in an application and you instead get a "Windows can't open a file" error message you should try looking for an application which can open the file in question.
If you know the application which can open SMI file then run it and see if there is a File->Open main menu option in the application.
If you don't know the application which function as SMI file opener then try to search online for "SMI viewer", "application to open SMI file" or "open SMI file" queries in the search engine you like.
Install the application you found and check if it can open SMI file

How Can I Open SMI File on Mac OS

We recommend to find a SMI file in question in Mac OS Finder and double click on it to launch the corresponding application.
If a SMI file is not opened in a Mac OS application and you instead get a "There is no application set to open the file" error message you can click on "Search App Store" in the error dialog and Mac OS will show you applications compatible with SMI file.
If you know the Mac OS application which can work as SMI file opener you can choose the "Choose Application..." option in the error box to associate the file extension and open SMI file in it.
If you don't know the application which can open SMI file then try to search for "SMI viewer", "application to open SMI file" or "read SMI file" queries in the online search engine you like.
Install the application you found and check if it can read SMI file

How Can I Open SMI File on Android

If you downloaded a SMI file on Android device you can open it by following steps below:

In the Android apps list on your Android device find "My Files" or "File manager" app and tap to start it.
Tap on "Downloads" folder inside the app.
You should see your downloaded SMI file in that folder.
Tap on the file. If Android device supports opening the file you downloaded it will open in the corresponding app.
If file does not open you can look for the corresponding app that can open the file by searching Android App Store for the "SMI".
If you cannot open the file with the apps from Android App Store it is possible that the file could only be opened on desktop platforms such as Windows or Mac OS. Try searching for "SMI viewer", "SMI file reader" online and see if any desktop applications can open it.
It is also possible that the file you downloaded is outdated and is no longer supported.

How to Open SMI File on iPhone or iPad

To open SMI File on iOS device follow steps below:

We advies to open Files app on your iPhone or iPad device. You can find it by swiping down on the home screen and typing "Files" in the search bar.
Tap on the Downloads folder on the Files app home screen.
You will see all files that you recently downloaded. Tap on the SMI file to view it.
If you have the right app that can open it it will automatically launch and open your file.
If you don't have the app which can open it you need to serch Apple app store for "SMI". This way you can find apps which can open SMI files.
If this doesn't help it is possible that your file could be opened only by the desktop application. To find an app which can open it on desktop look for "SMI viewer" or "SMI file" online in your favorite search engine.

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