ONE Viewer

Programs that support ONE file extension

Our ONE Viewer did not live up to what I expected? Choose something else The first is to download the software that supports ONE files You can try to open your ONE file with one of these applications. By using the dedicated software you will have more options, e.g. editing the ONE file or converting the ONE file to a different file format.

Advantages and disadvantages of this solution

The first important thing is that you will need to download and install a dedicated application that supports the ONE format on your device. In this case, it is not possible to view the ONE file online. Here you will need more time to use this solution, but you will also have more options. Below you will find a list of example applications that are dedicated to working with the ONE file - for the full list go to ONE File Opener

Examples of software programs that work with the ONE format

Microsoft Office Microsoft OneNote Office 365

Other options

If you haven't been able to preview the contents of the ONE file yet, or you don't want to install any dedicated programming to handle these files, you can try something else. A large proportion of the data formats are simply archives or plain text files. In this case, it is likely that you will be able to view the contents of ONE with a normal "Notepad". This solution does not guarantee that the problem will be solved, but it will often allow you to view the data in the ONE file to some extent.

The second way is to use a data archiving program. Try to open your file with e.g. Winrar or Winzip. If our theory proves to be correct, you should see the tree of files contained in the archive. If you don't know what type of ONE file is, learn more about ONE file extension.

External solutions

You can also try to use solutions offered by external suppliers, such as:

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