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>> ISMT file

ISMT file format description

Many people share .ismt files without attaching instructions on how to use it. Yet it isn’t evident for everyone which program a .ismt file can be edited, converted or printed with. On this page, we try to provide assistance for handling .ismt files.

1 filename extension(s) found in our database.

.ismt - IIS Smooth Streaming Text Stream

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.

.ismt file format description:
ISMT format
Windows Media Player
Video files
- / -
IIS Smooth Streaming Text Stream related links:
Smooth Streaming
IIS Smooth Streaming Text Stream related extensions:
DVD Audio Object
Advanced Systems Format Media
Advanced Stream Redirector
Sony ATRAC3 Compressed Audio
Sun Audio File
Microsoft Video for Windows Movie

Naturally, other applications may also use the .ismt file extension. Even harmful programs can create .ismt files. Be especially cautious with .ismt files coming from an unknown source!

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 can't open this file:


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 one from a list of programs that are installed on your computer.

To avoid this error, you need to set the file association correctly.

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:

icmt, ist, imt, smt, ism

Is it possible that the filename extension is misspelled?

Similar file extensions in our database:

Adobe InCopy CS4 Template
ISAM Database
Adobe ImageStyler File
TMSat Thumbnail Image
Apollo HiPer-SIx Database Memo

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If you have useful information about the .ismt file format, then write to us!