SIS

sis icon

Psion software installation

File type: Archive and compressed file

An sis file extension is used for installation packages for EPOC PSION operating system.

Found 5 different file type records with the same sis filename suffix.

What is sis file?

File type category:
Archive and compressed file

Date updated: July 20, 2022

An EPOC software installation system file, with a sis file extension, is the method by which programs are distributed for EPOC based Psion and other organizers.

It makes a package of all the installation files, and ensures they are installed in the right places. It also lists them in the Control Panel so they can be uninstalled later.

The sis application installation packages are also used by successor of EPOC system called Symbian.

MIME types:
x-epoc/x-app

How to open sis file?

A sis file is primarily associated with Psion smart PDAs.

How to convert sis file?

There is no way how to convert the *.sis files to other file format.

Sisma database

File type category:
Database file

Date updated: December 12, 2018

The sis file extension is associated with the Sisma, a free password management program for Microsoft Windows operating system, developed by Digital Confidence.

The sis file stores database from Sisma software.

How to open sis file?

Probably not meant to be accessed by the user.

How to convert sis file?

Probably cannot be converted to anything else.

Suggested software to open sis file:

Associated software actions with the sis file

Software applications that handle other tasks involving sis files:

no icon available Sisma Password Manager (Microsoft Windows)

Steam game backup information

File type category:
Backup file

Date updated: June 6, 2018

The sis file extension is associated with Steam Client developed by Valve, available for various platforms.

The sis files contain backup information together with a SIM file and one or several SID files.

How to open sis file?

Probably not meant to be accessed by the user.

How to convert sis file?

Probably cannot be converted to anything else.

Suggested software to open sis file:

Associated software actions with the sis file

Software apps that create sis files:

Steam icon Steam (Microsoft Windows)

Steam for Mac icon Steam for Mac (Apple macOS / Mac OS X)

Steam for Linux icon Steam for Linux (Linux/Unix)

Software apps that backup sis files:

Steam icon Steam (Microsoft Windows)

Steam for Mac icon Steam for Mac (Apple macOS / Mac OS X)

Steam for Linux icon Steam for Linux (Linux/Unix)

Software apps that recover sis files:

Steam icon Steam (Microsoft Windows)

Steam for Linux icon Steam for Linux (Linux/Unix)

Software applications that handle other tasks involving sis files:

Steam icon Steam (Microsoft Windows)

Steam for Mac icon Steam for Mac (Apple macOS / Mac OS X)

Steam for Linux icon Steam for Linux (Linux/Unix)

Student Information System data

File type category:
Database file

Date updated: April 18, 2018

The sis file extension is associated with the database utilized in Pace University information system.

The sis file contains database entry of a student. No further information could be found.

Symbian installation file

File type category:
Mobile phones related file
Archive and compressed file

Date updated: February 14, 2017

File extension sis is associated with Symbian OS Installation Source.

Installer archive for devices that use the Symbian OS. Examples include Palm PDAs and Nokia, Ericsson, and Motorola phones; created using Symbian's CreateSIS program or the makesis command line tool.

Data in the .sis file is split up into two separate parts. The first part is the meta-data, describing the files that need to be installed. The second patrt of the SIS file contains all the actual file data.

SIS file format supports signatures and certificates to enable a package to signed. These signatures are verified during installation, and can also be re-verified after the package is installed on the device.

It also supports the compression of each of the files in the SIS file individually. This reduces the extra space needed to carry out installation.

MIME types used:
application/vnd.symbian.install

How to open sis file?

You can open and install *.sis files in Symbian OS compatible phone or communicator.

How to convert sis file?

Specialized Symbian programs can ususally convert packages from one format to another.

Suggested software to open sis file:

Associated software actions with the sis file

Software apps that create sis files:

Qt SDK icon Qt SDK (Microsoft Windows)

Qt Creator icon Qt Creator (Multiplatform)

Software apps that import sis files:

no icon available SIS to JAR converter (Microsoft Windows)

Software apps that export sis files:

no icon available SIS to JAR converter (Microsoft Windows)

Software applications that handle other tasks involving sis files:

Qt SDK icon Qt SDK (Microsoft Windows)

Qt Creator icon Qt Creator (Multiplatform)