.ISM File Extension

File Type:
IIS Smooth Streaming Manifest File

Having trouble opening .ism extension? Don't panic! This page explains what ism files are as well as suggests programs you may use to open ism files. You can download these programs through this page.

What is a ISM file?

Ism file extension has IIS Smooth Streaming Manifest file type, developed by Microsoft, which is associated with the "video files" category.

Associated with the Smooth Streaming extension of Microsoft's IIS Web server, the file saves bit rate as well as track data for both video (.ISMV) and audio (.ISMA) files, which are hosted on the Web server.
ISM files come in the XML format. They are usually referenced by different streaming applications, allowing users to play audio and video streams

To learn how you can open the given file, read the information below.

ism file icon
File Type:
IIS Smooth Streaming Manifest File
Video Files

How to open ISM file?

Double click the ism file to open it. The file will open automatically if file associations have been correctly installed and there is a proper program on your computer; if not, file associations may be corrupted and your OS either cannot find the proper program, or you might not have one for opening the file. First, we recommend downloading our utility to fix file association errors; then, you can download any program for opening the .ism extension from the ones suggested below. If you are certain there is nothing wrong with the file associations, you may proceed to method 2 right away; besides, if you can't make up your mind when choosing the right program, use Universal File Viewer from the last method.

Method 1: Fix file association errors

Follow these steps in order to automatically fix the ism extension associations' problem in no time:

  • Step 1: Click on "Download Solution" to download automatic tool provided by WikiExt.
  • Step 2: Click "Start Scan" to identify all potential issues.
  • Step 3: Review scan results and click "Fix Items".

File Size: 3.04 MB, Download time: < 1 min. on DSL/ADSL/Cable

This Tool is Compatible With: Windows XP, Vista, 7, 8/8.1, 10

Method 2: Download the appropriate software

The given list provides programs which may be used for opening or converting the ism file. Choose the proper program for your OS, and click it to start the download or proceed to the developer's website.

Programs that open ISM files

Method 3: Use universal file viewer

In addition to the list of programs above, we recommend using Universal File Viewer. This tool can open over 250 file extensions and, most likely, it will be able to open the ism file as well. Download Universal File Viewer for your OS.

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