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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.
File type category:
Archive and compressed file
Date updated: July 20, 2022
Record marked as obsolete and not updated for a long time.
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
A sis file is primarily associated with Psion smart PDAs.
There is no way how to convert the *.sis files to other file format.
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.
Probably not meant to be accessed by the user.
Probably cannot be converted to anything else.
Software applications that handle other tasks involving sis files:
Microsoft Windows
File type category:
Backup file
Date updated: June 6, 2018
Probably not meant to be accessed by the user.
Probably cannot be converted to anything else.
Software apps that create sis files:
Software apps that backup sis files:
Software apps that recover sis files:
Microsoft Windows
Linux/Unix
Software applications that handle other tasks involving sis files:
File type category:
Database file
Date updated: April 18, 2018
Record marked as obsolete and not updated for a long time.
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.
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
You can open and install *.sis files in Symbian OS compatible phone or communicator.
Specialized Symbian programs can ususally convert packages from one format to another.
Software apps that create sis files:
Microsoft Windows
Multiplatform
Software apps that import sis files:
Microsoft Windows
Software apps that export sis files:
Microsoft Windows
Software applications that handle other tasks involving sis files:
Microsoft Windows
Multiplatform
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