To edit SLY file, we strongly recommend installing software that works with SLY files. There are many tools known as SLY Online Editors, but it is not certain that they operate in a way that keeps the data contained in the file safe.
Please note that not every program that supports SLY will allow you to edit the file. Additional information about the SLY file extension can be found here.
This is the best way. Try to open the SLY file with one of the programs and it will see if you can edit the SLY 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. Examples of programs cooperating with SLY files, which make it possible to edit it.
And here is the full list of programs supporting the SLY file
Some file formats are just plain text files that you can open with Notepad. But beware - making manual changes to the SLY file or another may result in its damage. When you save the changes, you may no longer open the SLY file. For this reason, try to use software created to edit SLY files.
It seems that one of the software on the list must be able to edit the SLY files. However, if for some reason you did not find this option, you can try using tools prepared by external websites. Below we found websites that help in editing SLY files.
Free Online File Edit Service
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