SISX File Extension

What is SISX file?

SISX filename suffix is mostly used for Symbian OS Installation Format files. Symbian defined the Symbian OS Installation Format format standard. Files with SISX extension may be used by programs distributed for Windows platform. SISX file belongs to the Misc Files category just like 6033 other filename extensions listed in our database. Nokia PC Suite is by far the most used program for working with SISX files.

Programs which support SISX file extension

The following listing features SISX-compatible programs. SISX files can be encountered on all system platforms, including mobile, yet there is no guarantee each will properly support such files.

How to open file with SISX extension?

Being unable to open files with SISX extension can be have various origins. Fortunately, most common problems with SISX files can be solved without in-depth IT knowledge, and most importantly, in a matter of minutes. The list below will guide you through the process of addressing the encountered problem.

Step 1. Install Nokia PC Suite software

The main and most frequent cause precluding users form opening SISX files is that no program that can handle SISX files is installed on user’s system. To address this issue, go to the Nokia PC Suite developer website, download the tool, and install it. It is that easy The full list of programs grouped by operating systems can be found above. If you want to download Nokia PC Suite installer in the most secured manner, we suggest you visit website and download from their official repositories.

Step 2. Update Nokia PC Suite to the latest version

If the problems with opening SISX files still occur even after installing Nokia PC Suite, it is possible that you have an outdated version of the software. Check the developer’s website whether a newer version of Nokia PC Suite is available. It may also happen that software creators by updating their applications add compatibility with other, newer file formats. This can be one of the causes why SISX files are not compatible with Nokia PC Suite. The most recent version of Nokia PC Suite is backward compatible and can handle file formats supported by older versions of the software.

Step 3. Set the default application to open SISX files to Nokia PC Suite

If you have the latest version of Nokia PC Suite installed and the problem persists, select it as the default program to be used to manage SISX on your device. The process of associating file formats with default application may differ in details depending on platform, but the basic procedure is very similar.

Selecting the first-choice application in Windows

• Right-click the SISX file and choose Open with option
• Click Choose another app and then select More apps option
• Finally select Look for another app on this PC, point to the folder where Nokia PC Suite is installed, check the Always use this app to open SISX files box and conform your selection by clicking OK button

Selecting the first-choice application in Mac OS

• From the drop-down menu, accessed by clicking the file with SISX extension, select Information
• Find the Open with option – click the title if its hidden
• Select Nokia PC Suite and click Change for all...
• A message window should appear informing that This change will be applied to all files with SISX extension. By clicking Continue you confirm your selection.

Step 4. Ensure that the SISX file is complete and free of errors

You closely followed the steps listed in points 1-3, but the problem is still present? You should check whether the file is a proper SISX file. It is probable that the file is corrupted and thus cannot be accessed.

1. Check the SISX file for viruses or malware

If the SISX is indeed infected, it is possible that the malware is blocking it from opening. Immediately scan the file using an antivirus tool or scan the whole system to ensure the whole system is safe. SISX file is infected with malware? Follow the steps suggested by your antivirus software.

2. Ensure the file with SISX extension is complete and error-free

If the SISX file was sent to you by someone else, ask this person to resend the file to you. The file might have been copied erroneously and the data lost integrity, which precludes from accessing the file. When downloading the file with SISX extension from the internet an error may occurred resulting in incomplete file. Try downloading the file again.

3. Verify whether your account has administrative rights

Sometimes in order to access files user need to have administrative privileges. Switch to an account that has required privileges and try opening the Symbian OS Installation Format file again.

4. Verify that your device fulfills the requirements to be able to open Nokia PC Suite

The operating systems may note enough free resources to run the application that support SISX files. Close all running programs and try opening the SISX file.

5. Verify that your operating system and drivers are up to date

Latest versions of programs and drivers may help you solve problems with Symbian OS Installation Format files and ensure security of your device and operating system. It may be the case that the SISX files work properly with updated software that addresses some system bugs.

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