Macintosh Resource Format
Apple
Developer Files
mime-type/not-avalible
10/23/2021
If you want to edit RSRC file and not damage it, you should install dedicated software Using tools such as RSRC Online Editors gives less editing possibilities than software adapted to work with the RSRC file format.
Please note that not every program that supports RSRC will allow you to edit the file. Additional information about the RSRC file extension can be found here.
This is definitely the surest way. Use any of the programs that support the RSRC 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. You will find links to the software developers' websites on the subpage of each program. Below you will find some examples of software programs that support the RSRC file (so it is very possible that they can edit files in RSRC format).
The full list of RSRC supporters
Most of the file formats are simply text format saved under a different extension - so you can open them e.g. with Windows Notepad However, it's dangerous, you can permanently damage your RSRC file. If you make inappropriate changes and save the file, it may happen that you do not reopen the RSRC file.. By far the safest way is to use file editing programs that works with the RSRC extension.
It can definitely be said that any of the list of programs that support the RSRC extension should be able to edit the RSRC file. 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 RSRC online files.
Free Online File Edit Service
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