Opening an SWZ File

The SWZ file type is primarily associated with Adobe Flash Player.

SWZ	File extension: SWZ
	File type:	compressed Flash file

What is an SWZ file?

SWZ files mostly belong to Adobe Flash Player.

SWZ Files are mainly compressed Adobe Flash files used to deliver Flash content efficiently. They are very similar to SWF files but have built‐in compression to reduce file size and speed up loading.

Adobe Flash Content: Most SWZ files package animations, interactive applications, skins, or game data. Some of these use an internal marker called "certificate2" to help verify the file’s integrity.

Software Update Packages: A smaller group of SWZ files serve as update containers. Tools like SWZTool create these files for companies such as Swisscom and Siemens.

Game Data and Skins: Certain SWZ files hold game assets or skin data; they are compressed versions of Shockwave Flash files. In such cases, utilities like SWF Decompiler can be used to view or extract content.

These files are typically opened with Adobe Flash Player or other Flash-compatible decompilers, and sometimes simply renaming the file from .swz to .swf allows easier access to its embedded content.

Tips:

If a SWZ file does not open directly, try renaming it to .swf.

Use a SWF decompiler to inspect or extract embedded assets.

For update-related SWZ files, follow the manufacturer’s instructions.

How to open SWZ files

You need a suitable software like Adobe Flash Player to open an SWZ file. Without proper software you will receive a Windows message "How do you want to open this file?" or "Windows cannot open this file" or a similar Mac/iPhone/Android alert. If you cannot open your SWZ file correctly, try to right-click or long-press the file. Then click "Open with" and choose an application. You can also display a SWZ file directly in the browser:. Just drag the file onto this browser window and drop it.

Online SWZ Text Viewer

Choose your .swz file to analyze

or drag and drop it here

Online File Viewer

✈

Read our privacy guarantee in Filext’s terms and privacy policy

Please allow ads on our site

This helps us keep our servers running. Then re-upload your file to view it.

Click here to see how to disable the ad blocker for filext.com

Programs that open and convert SWZ files:

Adobe Flash Player
See the previous paragraphs to learn more about the main application. SWZ files are often referred to as Adobe Flash Player compresseds because this type of file is primarily created or used by this software.
Adobe FlashPlayer (Signed RSL File) by Adobe Systems Inc
SWZ file is an Adobe Flex Signed RSL. RSLs are just SWF files whose code is used as a shared library between different application SWF files thereby reducing the size of your flash applications and also the time required to download the flash application. Signed RSL files with extension .SWZ are libraries that are signed by Adobe and may be stored in the Flash Player Cache, which can then be accessed by applications from any domain. The Mime types used with this association are: application/x-swz. This file format is classified as Source Code. Related links: Adobe Flex 3 RSLs

SWZ file format details:

If you know the file format, you can also find out how to open or edit the file. The initial characters of a file are called signature, sometimes also referred to as "magic bytes". The signature can be used to infer the file format. File extension, signature and file format must match; otherwise errors will occur when the file is opened. So a detailed analysis of a file is vital in order to determine the format and the associated program. Our evaluation of the SWZ files looks like this:

The SWZ file extension is quite common and is used by different programs with different formats. The following file formats are most commonly found in SWZ files:

30% of all SWZ files are based on the popular certificate file format. A digital certificate is a unique, digitally signed document which authoritatively identifies the identity of an individual or organization. Using public key cryptography, its authenticity can be verified to ensure that the software or website you are using is legitimate. The contents of these files cannot be read by a human; only a computer program can interpret the data. SWZ files are between 140 KB and 530 KB in size. The file type was created 10 years ago, but is still used today. The following filename is common: textLayout_2.2020-06-012.swz or textLayout_1.0.0.595.swz. These files are attributed to layout, text, framework, eeda, decf and spark.
4% of all SWZ files have the same signature 1F 4C 00 FF 01. They consist of unreadable binary data. The files are on average 830 KB in size and range from 130 KB to 7 MB.

All other SWZ files (66%) have no consistent format, the following 7 formats exist: Sham. Sometimes used for init. You can get all the details of your SWZ file by dragging it onto this page or by clicking the button "Choose your .swz file to analyze" above.

Technical Data for SWZ File Extension

File classification:

Compressed

Related files:

swf, fla, swc, sol, flv, heu, anm, zip, flm

Related links:

Adobe Flex 3 RSLs

Mime type:

application/x-swz

an swz compressed Flash file is a special file format and should only be edited and saved with the appropriate software.

How to solve problems with SWZ files

Associate the SWZ file extension with the correct application.
Update your software that should actually open compressed flash files. Because only the current version supports the latest SWZ file format. Search, therefore, e.g. on the manufacturer website after an available Adobe Flash Player update.
To make sure that your SWZ file is not corrupted or virus-infected, get the file again and scan it with Google's virustotal.com.
Click here to open your .SWZ file online - secure, fast, and no downloads needed.