Harvard Graphics DOS Chart Format
Harvard Graphics
Layout Files
mime-type/not-avalible
11/14/2021
If you need to edit the CH3 file, one of the safest methods is to download and install the software dedicated to working with CH3 files. Using tools such as CH3 Online Editors gives less editing possibilities than software adapted to work with the CH3 file format.
Remember, that not all of the mentioned programs will allow you to edit the CH3 file. Click here for more information on CH3 file extension
Definitely the best solution. Try to open the CH3 file with one of the programs and it will see if you can edit the CH3 file. It's safest to download the software from the developer's website. You will find links to the software developers' websites on the subpage of each program. Examples of programs cooperating with CH3 files, which make it possible to edit it.
And here is the full list of programs supporting the CH3 file
Some file formats are just plain text files that you can open with Notepad. But beware - making manual changes to the CH3 file or another may result in its damage. After saving the changes, it may not be possible to reopen the CH3 file. By far the safest way is to use file editing programs that works with the CH3 extension.
It is actually certain that one of the applications working with files in the CH3 format will be able to edit the file. Use other options if you still haven't found a way to edit CH3. Below are tools that allow you to edit CH3 online files.
Free Online File Edit Service
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