HTML Server Side Include Format
Microsoft
Web Files
mime-type/not-avalible
11/21/2021
If you need to edit the STM file, one of the safest methods is to download and install the software dedicated to working with STM files. There are many tools known as STM 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 STM will allow you to edit the file. Additional information about the STM file extension can be found here.
This is definitely the surest way. Use any of the programs that support the STM 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. List of sample programs supporting the STM file below.
And here is the full list of programs supporting the STM file
Some file formats are just plain text files that you can open with Notepad. However, it's dangerous, you can permanently damage your STM file. After saving the changes, it may not be possible to reopen the STM file. For this reason, try to use software created to edit STM files.
It seems that one of the software on the list must be able to edit the STM files. However, if for some reason you did not find this option, you can try using tools prepared by external websites. Verified websites with the option to edit the file in the STM format below.
Free Online File Edit Service
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