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

Details of extension .ismt

1 extension(s) and 0 alias(es) in our database

Below, you can find answers to the following questions:

  • What is the .ismt file?
  • Which program can create the .ismt file?
  • Where can you find a description of the .ismt format?
  • What can convert .ismt files to a different format?
  • Which MIME-type is associated with the .ismt extension?
IIS Smooth Streaming Text Stream .ismt file icon

IIS Smooth Streaming Text Stream

The ISMT file is an IIS Smooth Streaming Text Stream. Expression Encoder saves the .ISMT file that contains the caption information in the default output folder, along with the smooth streaming media files.
Category: Video files
Application: Windows Media Player
Program name: -
Mime-type: application/octet-stream
Magic bytes (HEX): -
Magic string (ASCII): -
Related extensions:
IIS Smooth Streaming Video
IIS Smooth Streaming Audio
IIS Smooth Streaming Server Manifest Data
IIS Smooth Streaming Client Manifest Data
IIS Smooth Streaming Publishing Point Definition
Microsoft Expression Encoder Index
Microsoft Expression Encoder Live Encoding
Microsoft Expression Encoder Job
Microsoft Expression Web Add-in

Other types of files may also use the .ismt file extension. If you have helpful information about .ismt extension, write to us!

Is it possible that the filename extension is misspelled?

We found the following similar extensions in our database:

Adobe InCopy CS4 Template
TMSat Thumbnail Image
Synergy/DE Data Index
Adobe ImageStyler File
Apollo HiPer-SIx Database Memo

The .ismt filename extension is often given incorrectly!

According to the searches on our site, these misspellings were the most common in the past year:

smt (1), ism (1), icmt (1), ist (1), imt (1)

Can't open a .ismt file?

If you want to open a .ismt file on your computer, you just need to have the appropriate program installed. If the .ismt association isn't set correctly, you may receive the following error message:

Windows can't open this file:

File: example.ismt

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 whith 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 2003/2008/2012/2016, Windows 7, Windows 8, Windows 10, Linux, FreeBSD, NetBSD, OpenBSD, Mac OS X, iOS, Android