File Extension Database

Open VSI File

VSI files are generated by scientific imaging hardware and contain information in scientific instrument specific format. VSI format originated from Olympus. VSI file format is described on cellSens VSI page. VSI file format could be parsed by Bio-Formats Library.

You can also check the list of all formats supported by Bio-Formats library.

QuPath is also capable of opening VSI files. Besides VSI it can open BIF, CZI, iSyntax, MRXS, NDPI, and other medical imaging formats.

In order to open VSI file make sure that you have one of the above libraries/applications installed and double click on the VSI file to open.

You can read more on how to open and parse VSI files at Olympus Image Java Plugin page

Typical VSI application file locations:

c:\Program Files (x86)\Common Files\Microsoft Shared\MSEnv\VSContentInstaller.exe "%1"
"C:\Program Files (x86)\Common Files\Microsoft Shared\MSEnv\VSContentInstaller.exe" "%1"

Typical VSI mime types:

application/ms-vsi

Frequently used application names to open VSI files:

Common Files

Frequently associated Windows objects:

VisualStudio.ContentInstaller.vsi

How Can I Open VSI File on Windows

We researched and learned that the best way to open VSI file is to find a VSI file in question in Windows OS File Explorer and double click on it to launch the corresponding application.
If a VSI 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 VSI 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 VSI file opener then try to search online for "VSI viewer", "application to open VSI file" or "open VSI file" queries in the search engine you like.
Install the application you found and check if it can open VSI file

How Can I Open VSI File on Mac OS

We recommend to find a VSI file in question in Mac OS Finder and double click on it to launch the corresponding application.
If a VSI 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 VSI file.
If you know the Mac OS application which can work as VSI file opener you can choose the "Choose Application..." option in the error box to associate the file extension and open VSI file in it.
If you don't know the application which can open VSI file then try to search for "VSI viewer", "application to open VSI file" or "read VSI file" queries in the online search engine you like.
Install the application you found and check if it can read VSI file

How Can I Open VSI File on Android

If you downloaded a VSI 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 VSI 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 "VSI".
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 "VSI viewer", "VSI 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 VSI File on iPhone or iPad

To open VSI 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 VSI 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 "VSI". This way you can find apps which can open VSI 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 "VSI viewer" or "VSI file" online in your favorite search engine.