ISMX file format description
Many people share .ismx files without attaching instructions on how to use it. Yet it isn’t evident for everyone which program a .ismx file can be edited, converted or printed with. On this page, we try to provide assistance for handling .ismx files.
1 filename extension(s) found in our database.
.ismx - Microsoft Expression Encoder Index
The ISMX multimedia files are related to Microsoft Expression Encoder. The ISMX file is a Microsoft Expression Encoder Index. Microsoft Expression Encoder is a transcoding and non-linear video editing software application for Microsoft Windows. The .ismx file is an index of the MPEG-2 TS files, and the .ism file is a standard Smooth Streaming SMIL 2.0-compliant server manifest that is used by the on-demand Smooth Streaming module.
- Microsoft Expression Encoder
- Multimedia files
- - / -
- Microsoft Expression Encoder Index related extensions:
Naturally, other applications may also use the .ismx file extension. Even harmful programs can create .ismx files. Be especially cautious with .ismx files coming from an unknown source!
Can't open a .ismx 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.
- Open Control Panel > Control Panel Home > Default Programs > Set Associations.
- Select a file type in the list and click Change Program.
The .ismx file extension is often given incorrectly!
According to the searches on our site, these misspellings were the most common in the past year:
imx, ism, isma, ismc, isx, smx
Is it possible that the filename extension is misspelled?
Similar file extensions in our database:
- InstallShield Setup Project
- IIS Smooth Streaming Server Manifest Data
- C64 Image System Multicolor Bitmap
- Synergy/DE Data Index
- ISAM Database
- iMindMap 5 Exported Document
DataTypes.net currently supports the following operating systems:
Windows XP/Vista, Windows 7/8, Windows 10, CentOS, Debian GNU/Linux, Ubuntu Linux, FreeBSD, Mac OS X, iOS, Android
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