JNLP Files: What to Do If You Don't Have Java Web Start Software

Java Web Start is typically associated with binary JNLP files, so you might be mistaken for thinking that program is the only way to open a file with a JNLP extension.

Either way, if you're stuck with a JNLP file you absolutely have to open, keep on reading. We'll show you how to open it, even if you don't have Java Web Start software installed on your system.

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Opening JNLP Files without Java Web Start

Different software packages tend to sometimes share similar file types. Java Web Start is one of the popular programs that use the JNLP file extension, so you should be able to use it to open your file. You might even be able to find others by doing a quick Google search.

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A word of warning, though. Be sure to scan any free software you download with a malware checker before running it on your computer.

If You Have Java Web Start Installed

If this software package is already installed on your PC, but it still won't work to open your JNLP file, you might have to check that the file associations are correct. Right-click on the file, select "Open With..." and then select Java Web Start. That will create an association between the JNLP file extension and your chosen software.

Your JNLP Might Be Corrupt

Finally, if you're still having issues opening your JNLP file, download the file again or ask the sender to resend it. It's possible that your JNLP file might be corrupt. As a last resort, contact the software developers to see if they may be of further assistance.

Here's a list of JNLP-related software programs and their developers:

Software Developer
Java Web Start Sun Microsystems Inc.

The Easiest Way to Open JNLP File Extensions

Don't want to spend money on buying software to use it only once? Save yourself the trouble of installing unwanted software simply to view the occasional JNLP file by downloading a universal software viewer such as File Magic [download] instead. File Magic allows you to open and view hundreds of different file types with one program. Download File Magic now and try it for yourself.


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