If you are seeking information about file extensions, then you are in the right place at the right time.

Details of extension .istg

On this page, we're going to take a closer look at the .istg file extension, which is related to Imagine Staging File.

We'll explain what exactly a .istg file format is and how you can use it. If you're interested in learning more details about this type of file, we'll show you where to find them. And if you ever need to convert .istg files into different formats, we'll give you some tips on how to do that too.

Let's see the file format associated with this file extension!


  1. Imagine Staging File

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Imagine Staging File

istg file - Imagine Staging File
The ISTG file belongs to the Data category and works with Imagine, being used as an Imagine Staging File. Imagine is a 3D modeling and ray tracing program, originally for the Amiga computer and later for Microsoft Windows. The developer no longer updates Imagine and does not provide support anymore. According to our data, Imagine uses one more file types.
Application: Imagine
Program name: -
Category: Data files
Mime-type: application/octet-stream
Related extensions:
.tddd Imagine 3D Data Description File

The .istg file extension might not only belong to a single type of file, there could be various kinds that use it. Keep in mind that files with the .istg extension may contain various content types. If you have helpful information about this extension, write to us!

Could someone have spelled the .istg file extension wrong?

In our database, we came across the following similar extensions:

.isg HSC Chemistry Solgasmix Solver Data
.itg Intergraph Format Bitmap Image
.ist MakeIndex Style Index
.istr IsoStar Library of Intermolecular Interactions Data
.stg SNMP Traffic Grapher Data

The .istg extension is frequently misused

People sometimes confuse the .istg filename extension. Based on the searches on our site, here are the most common misspellings from the past year.

isg (1), stg (1), ist (1), istr (1)

Having trouble opening a .istg file?

If you want to open a .istg file on your computer, you just need to have the appropriate program installed. Incorrect settings for the .istg association can trigger this error.

Windows can't open this file:

File: example.istg

To open this file, Windows needs to know what program you want to use to open it. Windows can go online to look it up automatically, or you can manually select from a list of programs that are installed on your computer.

To change file associations:

  • Right-click a file with the extension whose association you want to change, and then click Open With.
  • In the Open With dialog box, click the program with which you want the file to open, or click Browse to locate the program that you want.
  • Select the Always use the selected program to open this kind of file check box.

Supported operating systems

Windows Server 2016/2019/2022, Windows 7, Windows 8, Windows 10, Windows 11, Linux, Mac OS X, macOS, iOS, Android