XTree Gold For Dos Help
Jeffrey C Johnson (XTree Company)
If you want to edit X90 file and not damage it, you should install dedicated software Of course, there are probably X90 Online Editors available, but none of them will be able to provide such a wide range of available options as dedicated software.
Remember, that not all of the mentioned programs will allow you to edit the X90 file. Additional information about the X90 file extension can be found here.
This is definitely the surest way. Use any of the programs that support the X90 file to check if it allows you to edit the file. The most proven method is to download the installer from the developer's website. Links to the websites of software producers can be found on the software subpages. Below you will find some examples of software programs that support the X90 file (so it is very possible that they can edit files in X90 format).
And here is the full list of programs supporting the X90 file
Some file formats are just plain text files that you can open with Notepad. However, it's dangerous, you can permanently damage your X90 file. If you make inappropriate changes and save the file, it may happen that you do not reopen the X90 file.. By far the safest way is to use file editing programs that works with the X90 extension.
It seems that one of the software on the list must be able to edit the X90 files. However, if for some reason you did not find this option, you can try using tools prepared by external websites. Below are tools that allow you to edit X90 online files.
Free Online File Edit Service
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