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

Details of extension .isma

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

Below, you can find answers to the following questions:

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

IIS Smooth Streaming Audio

The ISMA file is an IIS Smooth Streaming Audio. This is an MP4 file that contains only audio content. If you had encoded an audio-only file, this is the format that results. As with .ismv files, depending on your output choice, Expression Encoder creates several .isma files or just one.
Category: Audio 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 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
IIS Smooth Streaming Text Stream

Other types of files may also use the .isma file extension. If you have helpful information about .isma 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 Assignment File
WinImage Disk Image
Adobe Photoshop ImageReady Actions File
ISAM Database
Synergy/DE Data Index
Microsoft Expression Encoder Index
SmartMusic Accompaniment

The .isma filename extension is often given incorrectly!

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

ismx (1), isam (1), ima (1), sma (1), ism (1), isa (1), icma (1)

Can't open a .isma file?

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

Windows can't open this file:

File: example.isma

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