There are 4 other file types using
the SIS file extension!

sis file icon.sis - Symbian installation file [common]

sis file icon.sis - Student Information System data file

sis file icon.sis - Sisma database file

sis file icon.sis - Steam game backup information file

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SIS file extension - Psion software installation

What is sis file? How to open sis files?

File type specification:

Archive and compressed file type icon Archive and compressed file type

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:

This sis file type entry was marked as obsolete and no longer supported file format.

This type of file is no longer actively used and is most likely obsolete. This is typically the case for system files in old operating systems, file types from long discontinued software, or previous versions of certain file types (like documents, projects etc.) that were replaced in higher versions of their original programs.

Help how to open SIS files:

A sis file is primarily associated with Psion smart PDAs.

How to convert file with extension SIS:

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

Related links:

Psion website

Psion at Wikipedia

EPOC at Wikipedia

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