PROPERTIES File Extension

PROPERTIES file icon

Java Properties Format

What is a PROPERTIES file?

Java Properties Format, identified by the PROPERTIES extension, is a Settings Files type and includes 1190 files.

Sun Microsystems, the developer of the Java Properties Format (PROPERTIES), has released file format and 4 programs designed to handle them.

PROPERTIES files are compatible with various operating systems, including Windows, Linux and Mac OS. There are 10 programs available to open a PROPERTIES file, including popular tools like Java Development Kit, Sun Java Studio and Eclipse.

How to open a PROPERTIES file?

If you are having trouble opening a PROPERTIES file, it usually means the right software is not installed. Choose a program from the list that matches your operating system. Next, visit the official website of the developer, download the software, and install it on your device.

Java Development Kit, Sun Java Studio and Eclipse are recognized as the most popular software solutions for dealing with PROPERTIES files. If you wish to install the latest release of Sun Java Studio, visit the official Sun Microsystems portal and download the edition that works on any operating system.

Once Sun Java Studio is installed, the OS should configure it as the default tool for opening PROPERTIES files.

Set Sun Java Studio as the default PROPERTIES handler

Setting a default program by file type in Windows

  1. Right-click on your PROPERTIES file and choose the "Open With" option. Then click "Choose another app" to continue the process;
  2. In the pop-up window, find and select the Sun Java Studio application from the available options;
  3. Make sure the "Always use this app" checkbox is checked and click "OK" to confirm your choice as the default app for opening PROPERTIES files.

Choose an app to open a file on Mac

  1. Right click or use Control + left click on the desired PROPERTIES file to launch the file options menu;
  2. Select "Open in application" and click "Other";
  3. Towards the bottom of the window, find the "Enable" menu, which is already set to the default option, "Recommended Programs";
  4. In this menu, select "All Programs" and search for Sun Java Studio. Check the box next to "Always open in app" to make it the default option.

How to edit a PROPERTIES file?

Editing PROPERTIES files requires installing professional software that lets you open and edit settings files. Online editors have more limitations compared to dedicated Java Properties Format programs.

List of Top PROPERTIES editors 2026

According to these factors, we have compiled a list of available PROPERTIES editors.

PROPERTIES Editor SoftwareDeveloperPlatformsOverall Rating
Java Development KitOracleWindows, Mac OS, Linux4.9 out of 5 (43 reviews)
Notepad++Notepad++ TeamWindows4.9 out of 5 (42 reviews)
Sublime TextSublime HQ PtyWindows, Mac OS, Linux4.9 out of 5 (44 reviews)
TextEditAppleMac OS4.9 out of 5 (44 reviews)
Sun Java StudioSun MicrosystemsWindows4.6 out of 5 (44 reviews)
Atom-Windows, Mac OS, Linux4.5 out of 5 (41 review)
EclipseEclipseWindows, Mac OS, Linux4.5 out of 5 (42 reviews)
Windows NotepadMicrosoftWindows4.5 out of 5 (41 review)
GeditGNOMELinux4.2 out of 5 (42 reviews)

Effective solutions for PROPERTIES file problems

If PROPERTIES files are giving you trouble, small modifications to your software can help. Check out the troubleshooting tips below to fix these issues.

What are the possible solutions to recover a corrupt PROPERTIES file?

Start a data recovery program and open the damaged PROPERTIES file. Go to the menu and select the "Repair" option to repair the file. Allow the recovery process to complete, which will automatically repair the damaged settings files.

Are there any symptoms that my PROPERTIES file is damaged?

Corrupted PROPERTIES settings files may show the following signs:

  • Opening the file in Sun Java Studio or other programs causes them to hang or crash;
  • Error dialogs are displayed when interacting with the file;
  • Opening the file results in an error or a failed attempt;
  • Unexpected expansion of the total size of the PROPERTIES file;
  • Editing the archive in Java Development Kit is accompanied by slow performance or delays;

What are the possible causes of Sun Java Studio crashing?

The absence of software updates can cause Sun Java Studio to crash. It is recommended to install the latest available updates for Sun Microsystems products.

Restarting your computer can resolve numerous common problems, so it should be the initial step before changing any software-related settings.