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Details of the .ismt file extension

The table below provides useful information about the .ismt file extension. It answers questions such as:

  • What is the .ismt file?
  • What program do I need to open a .ismt file?
  • How can the .ismt file be opened, edited or printed?
  • Where can I find the specifications for .ismt?
  • Which MIME-type is associated with the .ismt extension?
  • How can I convert .ismt files to another format?
  • What are other, similar filename extensions to .ismt?

We hope you find this page helpful and a valuable resource!

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

.ismt file extension details

IIS Smooth Streaming Text Stream

IIS Smooth Streaming Text Stream .ismt file icon
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
Mime-type: application/octet-stream
Magic number: -
Magic string: -
Sample: -
ISMT aliases:
ISMT related links:
ISMT 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.

.ismt file extension error

The .ismt file extension is often given incorrectly!

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

ism, smt, ist, imt, icmt

Is it possible that the filename extension is misspelled?

We found the following similar file extensions in our database:

ISAM Database
InstallShield Setup Project
IIS Smooth Streaming Server Manifest Data
C64 Image System Multicolor Bitmap
Apollo HiPer-SIx Database Memo
Adobe ImageStyler File
TMSat Thumbnail Image
Adobe InCopy CS4 Template
Synergy/DE Data Index
open .ismt file

Can't open a .ismt file?

When you double-click a file to open it, Windows examines the filename extension. If Windows recognizes the filename extension, it opens the file in the program that is associated with that filename extension. When Windows does not recognize a filename extension, you receive the following message:

Windows cannot open this file:


To open this file, Windows needs to know what program you want to use to open it...

If you don't know how to set the .ismt file association, check the FAQ.

.ismt file extension

Can I change the extension of files?

Changing the filename extension of a file is not a good idea. When you change a file's extension, you change the way programs on your computer read the file. The problem is, changing the file extension does not change the file format.

If you have helpful information about the .ismt file extension, write to us!

Browser: Abbreviation Application Archive Audio Configuration Data Development Disk Image Document Ebook Font Game Data GIS Graphic Malware Multimedia Other Project Scam Unknown Video
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