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If you want to edit ACSM file and not damage it, you should install dedicated software Using tools such as ACSM Online Editors gives less editing possibilities than software adapted to work with the ACSM file format.
The installation of the program that supports the ACSM file does not guarantee that the file can be edited. Click here for more information on ACSM file extension
This is the best way. Use any of the programs that support the ACSM file to check if it allows you to edit the 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 ACSM files, which make it possible to edit it.
The full list of ACSM 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 ACSM file. If you make inappropriate changes and save the file, it may happen that you do not reopen the ACSM file.. For this reason, try to use software created to edit ACSM files.
It is actually certain that one of the applications working with files in the ACSM format will be able to edit the 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 ACSM online files.
Free Online File Edit Service
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