Opening SWW Files

The SWW file type is primarily associated with Anno.

SWW	File extension: SWW
	File type:	binary game save file

What is an SWW file

SWW files mostly belong to Anno. SWW files are not a single-standard format but are used in different industries.
In most cases, these files hold save game data for the Anno series, such as Anno 1800 and Anno 1404, storing game progress and internal state details.
Other instances of SWW files carry simulation information.

Some contain HEC-RAS simulation data used in water flow modeling.

Others are outputs from ANUGA software, which simulates shallow water dynamics.

A further variant is known as a Spellswell Document, related to spaced repetition software.

To view or modify these files, use the original software that created the file. For simulation data, for example, the Surfer application is a common choice.
FilExt.com note: The internal structure is proprietary, so generic viewers might not display the content meaningfully.

How do you open SWW files?

You need a suitable software like Anno to open an SWW 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 SWW file correctly, try to right-click or long-press the file. Then click "Open with" and choose an application. You can also display a SWW file directly in the browser:. Just drag the file onto this browser window and drop it.

Online SWW Text Viewer

Choose your .sww file to analyze

or drag and drop it here

Online File Viewer

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SWW file format:

Every file has a defined file format, i.e. how the data is arranged in the file. Each file format has a unique extension and almost always a unique signature. For example, Microsoft Word documents have the extension .docx and the signature (usually the first 3 characters in this file) PK. File extension, signature and file format must match; otherwise errors will occur when the file is opened. So you need a detailed analysis of a file to find out the format and the associated program. Our evaluation of the SWW files is as follows:

The SWW file type is mainly used by one program with a specific format. The two most common formats are as follows:

• 80% of all SWW files belong to Anno 1404/2070 save game. These files are binary files, so they do not contain text, but only cryptic characters. SWW files can be up to 15 MB in size, but are often around 470 KB - 10 MB. This file type is based on cutting-edge technology. The following keywords are characteristic: Resource File V2.0. Files like these are about autosave, spielstand, savegame, quicksave, stanislao, campaign, annonymous, saved and game.
• 5% of all SWW files have the same signature ZZZZ. They consist of illegible, cryptic characters. The file size is in the range of 1 MB to 11 MB. The following keywords are characteristic: ZZZZ. An example of a file name is save.sww.

All the rest of the SWW files (15%) have different formats, the following 4 formats exist: CDF and ZZZZ. Often described as reloaded, taddeus, cheat, rollo or wilde. Drag & drop your file here to see the file format and a preview of your SWW file!