SIS is an acronym that stands for Software Installation Script. It is an archive for Symbian OS, and not an application file, as sometimes believed; the real Symbian application is the .APP

APP (file format)

APP is an abbreviation for application. The filename extension .app means application in Symbian OS, SkyOS, GNUstep and Mac OS X.On the latter two systems, a .app file is actually a folder containing binaries and supporting files....

 or .EXE

EXE

EXE is the common filename extension denoting an executable file in the DOS, OpenVMS, Microsoft Windows, Symbian, and OS/2 operating systems....

 file within it. By convention .sisx denotes a signed file.

There are different ways how a SIS file can be created. The basic approach is to create a package definition file (.pkg) that contains information about the package like the vendor, package name and what files to include in the package. Then use the makesis and signsis utilities that processes the .pkg file and creates the actual SIS file. Other alternatives are to use the Carbide.c++

Carbide.c++

Carbide.c++ is a software development tool for C++ development on Symbian OS. It is used to develop phones that use the OS, as well as applications that run on those phones. It is based on the Eclipse IDE platform enhanced with extra plug-ins to support Symbian OS development. The product is...

 IDE that automatically builds the SIS file as part of the build process or to graphically define and create the installation package using PackageForge

PackageForge

PackageForge is a commercial graphical installation and packaging software tool for Symbian OS based smartphones. PackageForge allows developers to graphically create software installation packages that can be installed to a Symbian OS based phone. After installation a user can start using the...

.

See also

• .JAR (file format)
  JAR (file format)
  In software, JAR is an archive file format typically used to aggregate many Java class files and associated metadata and resources into one file to distribute application software or libraries on the Java platform.JAR files are built on the ZIP file format and have the .jar file extension...
  
  , Java installation files for mobile devices.
• Signer
  Signer
  Signer may refer to :*Martin Signer is a famous Swiss financial economist.*Roman Signer is principally a visual artist who works in sculpture, photography, and video....
  
  
• Symbian OS
• S60 platform
  S60 platform
  The S60 Platform is a software platform for mobile phones that runs on Symbian OS. It was created by Nokia, who made the platform open source and contributed it to the Symbian Foundation. S60 has been used by mobile device manufacturers including Siemens mobile, Lenovo, LG Electronics, Panasonic...
  
  
• S90 platform