Basic information about WAR file

When there is a problem with opening files with the file extension WAR(*.WAR or *.war), you do not need a computer expert. In most cases, using the helpful suggestions of experts contained in our website as well as appropriate programs, you can solve the problem with the WAR file yourself.

There are 1 file types using the WAR file extension in our database. In the further part of this page, you will find detail information about all the WAR file with their brief description and a list of programs that support WAR file sorted by operating systems. The table below provides useful information about the WAR file extension. It answers questions such as:
  • What is the WAR file?
  • How to open a WAR file?
  • What programs do I need to open a WAR file?
  • What programs help to create and edit a WAR file?
  • How to convert WAR files to another file format?
  • How to convert another files to WAR file format?


1.Detail information about WAR file extension: Java Web Archive

File type Java Web Archive Category Compressed Files
Developer Oracle File format Binary
Description WAR file is a Java Web Archive developed by Oracle. A WAR file is a compressed package containing Java-based web components and applications that are run on a web server. It is formatted the same way as a .JAR file, but includes additional information that tells the application server which Java servlet class to run.
Software programs that will open, edit or convert WAR files

Windows
File Viewer Plus
Smith Micro StuffIt Deluxe for Windows
WinRAR 5
ESTsoft ALZip
Apache Tomcat
IZArc

macOS
Corel WinZip Mac 6
Smith Micro StuffIt Deluxe 16
Apache Tomcat

Linux
Apache Tomcat
unrar



Can't open a WAR file?

When you click a file to open it, operating system examines the filename extension. If operating system recognizes the filename extension, it opens the file in the program that is associated with that filename extension. When operating system does not recognize a filename extension, you receive the following message:

”Can't open this file: example.WAR”。

To open this file, you install one of the applications from the list of software programs that you found here, you should be able to open, edit or convert the file with the WAR extension without any issue.


Where I can download the application that support WAR file?

If you do not know where you can download the application from our list, click on the link (which is the name of the program), you will find more information there on the location where to download the required application. Most often they are the websites of software manufacturers.


How to change file associations?

  • Right-click a file with the extension whose association you want to change, and then click "Open With".
  • In the "Open With" dialog box, click the program whith which you want the file to open, or click "Browse" to locate the program that you want.
  • Select the ”Always use the selected program to open this kind of file” check box.


Can I change the extension of WAR files?

Changing the filename extension of a file is not a good idea. When you change a file's extension, you change the way programs on your computer read/open the file. The problem is, changing the file extension does not change the file format. Select a software program from our list and install it on your computer. If the file has not opened correctly, you have to look for a different software program from our list. Sometimes you have to repeat the operation several times.


What else may cause problems width open a WAR file?

The reasons for the lack of the ability to open a WAR file on your computer may be at least several. The easiest thing is to find a suitable application installed on your computer, which will open a WAR file. If there is still something wrong, you might want to check:

  • Whether the WAR file is damaged.
  • Whether the WAR file is incorrectly linked in the registry entries.
  • Whether the WAR file extension has been accidentally removed from the Windows registry.
  • Whether the installation of an application that supports the WAR file format is incompletely.
  • Whether the WAR file is infected.
  • Whether the drivers of the equipment used for opening a WAR file are up to date.
  • Whether your computer has enough hardware resources to open a WAR file.

If the WAR file still not working with your software after eliminating the above shortcomings? That means that the problem is more complex and requires the help of a specialist.