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Basic information about H2O file

When there is a problem with opening files with the file extension H2O（*.H2O or *.h2o）, 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 H2O file yourself.

There are 2 file types using the H2O file extension in our database. In the further part of this page, you will find detail information about all the H2O file with their brief description and a list of programs that support H2O file sorted by operating systems. The table below provides useful information about the H2O file extension. It answers questions such as:
  • What is the H2O file?
  • How to open a H2O file?
  • What programs do I need to open a H2O file?
  • What programs help to create and edit a H2O file?
  • How to convert H2O files to another file format?
  • How to convert another files to H2O file format?


1.Detail information about H2O file extension: H2OMAP Master Project

File type H2OMAP Master Project Category Data Files
Developer Innovyze File format N/A
Description H2O file is a H2OMAP Master Project developed by Innovyze. Project file created by H2OMAP Water, a stand-alone GIS-based spatial analysis and mapping program for developing water and sewage infrastructure; contains data from a modeling project; requires a separate database file to store associated databases referenced within the project.
Software programs that will open, edit or convert H2O files

Windows		 H2OMAP Water


2.Detail information about H2O file extension: Battle Realms Game Data File

File type Battle Realms Game Data File Category Game Files
Developer Liquid Entertainment File format Binary
Description H2O file is a Battle Realms Game Data File developed by Liquid Entertainment.
Software programs that will open, edit or convert H2O files

Windows		 Liquid Entertainment Battle Realms
Ghisler Total Commander with Game Archive UnPacker PRO plug-in
H2OTool
Rise of the Argonauts



Can't open a H2O 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.H2O”。

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 H2O extension without any issue.


Where I can download the application that support H2O 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 H2O 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 H2O file?

The reasons for the lack of the ability to open a H2O 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 H2O file. If there is still something wrong, you might want to check:

  • Whether the H2O file is damaged.
  • Whether the H2O file is incorrectly linked in the registry entries.
  • Whether the H2O file extension has been accidentally removed from the Windows registry.
  • Whether the installation of an application that supports the H2O file format is incompletely.
  • Whether the H2O file is infected.
  • Whether the drivers of the equipment used for opening a H2O file are up to date.
  • Whether your computer has enough hardware resources to open a H2O file.

If the H2O 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.