File extension JAR (.JAR) information

Click to Run a Free Scan for JAR Related Errors

Windows cannot open JAR files?

If Windows is unable to open JAR files you may not have the appropriate program installed or may have a registry related error.

We strongly recommend that you run a free registry scan for related errors.

Format and name:

Java Archive File

Appropriate program for file extension JAR:

The .JAR file extension identifies Java Archive file. Java archive files can contain other Java files and are compressed using .ZIP technology. Scan your system to prevent and identify association errors.

Additional comments:

To view the contents of a .JAR file you will need to have Java Runtime installed, or use an appropriately enabled browser.

Recommendations for JAR file users:

Performance: Run a free performance scan to optimize your memory and CPU usage.
Stability: Stop corrupted file associations destabilizing your PC. Fix file extension JAR errors.
Drivers: Scan your PC for outdated drivers that may cause system errors and slowdowns.

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