ISU file format description

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

2 filename extension(s) found in our database.

.isu - InstallShield Uninstall Script

The ISU application files are related to InstallShield Wizard. The ISU file is an InstallShield uninstall script.

InstallShield Wizard
Application files
- / -
InstallShield Uninstall Script related extensions:
GEM Application
Microsoft C Compiler Output
Java Serialized Object
Nokia Phone Add-on Software
Windows Explorer Shell Command
FastCGI Application

.isu - CRiSP Harvest ISU Data

The ISU data files are related to CRiSP Harvest. The ISU file is a CRiSP Harvest ISU Data. CRiSP Harvest Model is a user-friendly computer model that simulates the harvest of 30 chinook salmon stocks by 25 fisheries over an extended time horizon.

CRiSP Harvest
Data files
- / -
CRiSP Harvest ISU Data related extensions:
Gridded Binary v2 Data
Nimbus 7 SAMS Raw Data
Sony-Ericsson Firmware
Reason Midi Codec Data
Tanzzle Graphic Object
JetLinks Bookmark Data

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

Can't open a .isu 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 .isu file extension is often given incorrectly!

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

icu, iqu, is, ish, isi, isk, ius, lsu, osu, siu, su

Is it possible that the filename extension is misspelled?

Similar file extensions in our database:

Image Speeder Image
Web of Science Databases Output
Druvaa inSync Client Key
ICU Data
Modula-3 Intermediate Assembly File
Osu! Script

Operating systems currently supports the following operating systems:

Windows XP/Vista, Windows 7/8/10, Windows 11, CentOS, Debian GNU/Linux, Ubuntu Linux, FreeBSD, macOS, Mac OS X, iOS, Android

If you find the information on this page useful, please feel free to link to this page.

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