Opening a PROP File

The PROP file type is primarily associated with Notepad.

PROP	File extension: PROP
	File type:	configuration file

What is a PROP file?

PROP files mostly belong to Notepad. PROP files are plain text configuration files that hold key-value pairs for various systems and applications.

Game Data: Used by Telltale Tool games (such as Telltale game data and Minecraft game data) and by engines like Unity, these files store game settings and configuration details.

Android Build and System Properties: Employed in Android environments, they record build configurations, device properties, and system settings used by tools like Android Studio and the Android Debug Bridge (adb). More details can be found at Android's official documentation or the Android Studio site.

Program Preferences: Programs like Adobe Photoshop use Java properties files (PROP) to retain user and program settings.

Module and System Metadata: Magisk modules and other system utilities rely on PROP files to store encrypted or secure configuration data.

FilExt.com tip: These files follow a simple key=value syntax and can be viewed or edited with a basic text editor. It helps to check the specific documentation for each software piece, as interpretations and additional formatting (like embedded JSON structures) may be applied.

How can I open a PROP file?

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

Online PROP Text Viewer

Choose your .prop file to analyze

or drag and drop it here

Online File Viewer

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PROP file format:

The file format determines how the data is stored in the file. The file format can be determined based on the file extension and the signature (the first few characters of a file). If the file extension does not match the file format, double-clicking on the file will cause an error upon opening. So a detailed analysis of a file is vital in order to determine the format and the associated program. Our analysis of the PROP files produces the following result:

The PROP file extension is used very often and includes various formats for various programs. The two most popular formats are as follows:

• 25% of all PROP files start with the magic bytes VSM, which are always the first bytes of this file format. The content consists of illegible binary data, which can only be read and interpreted by the associated programs. Most of these files are 140 bytes to 24 KB in size. This file type is based on cutting-edge technology. The following keywords are characteristic: 6VSM. A common filename is prefs.prop or ttcd.prop. Files like these are sometimes connected to subtitle, text, choice, elfdl and idles.
• 6% of all PROP files have the same signature id=. These files are text files and can therefore be read using a text editor. A typical file size is 160 bytes. The files contain the following words: author, name, description and versionCode=1. A common filename is module.prop.

The remaining 69% of all PROP files are files with no common format, the following 14 formats exist: config, JSON, DEVICE, ERTM, symlink, NOT, refurl and VSM. Tagged as sgam, config, settings, setting, preferences or game. Drag & drop your file here to see the file format and a preview of your PROP file!