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.SISX File Extension

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File TypeSymbian OS Installation File

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Rare Uncommon Average Common Very Common
CategoryMisc Files


File format categories include Binary, Text, XML, and Zip. The format of this file type has not been determined.


Software installer file for devices that use Symbian OS 9.1 or later; includes cell phones that support the Nokia S60 3rd Edition platform and devices that use the UIQ 3 platform; S60 is used in Nokia and Samsung smartphones, while UIQ 3 is mainly used in Sony Ericsson and Motorola phones.

More Information

SISX files are similar to .SIS files, but are only compatible with devices running Symbian 9.1 and later. Both SIS and SISX files are created using the MakeSIS tool and are signed by the SignSIS utility. The "makesis" and "signsis" commands are both invoked by the CreateSIS application.

Programs that open SISX files
Nokia PC Suite
Updated 1/25/2013

FileInfo - The File Extensions Database

This page contains information about the .SISX extension and its known file associations. Our goal is to help you understand what an SISX file is and how to open it.

The Symbian OS Installation file type, file format description, and programs listed on this page have been individually researched and verified by the FileInfo team. We strive for 100% accuracy and therefore do not publish any information we have not verified.

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