How to open COM1 files
Did your computer fail to open a COM1 file? We explain what COM1 files are and recommend software that we know can open or convert your COM1 files.
What is a COM1 file?
The COM1 file extension indicates to your device which app can open the file. However, different programs may use the COM1 file type for different types of data.
While we do not yet describe the COM1 file format and its common uses, we do know which programs are known to open these files, as we receive dozens of suggestions from users like yourself every day about specific file types and which programs they use to open them.
We are continually working on adding more file type descriptions to the site, so if you have information about COM1 files that you think will help others, please use the Update Info link below to submit it to us - we'd love to hear from you!
Various COM1 openers
These apps are known to open certain types of COM1 files. Since many different programs may use COM1 files for different purposes, you may need to try a few of the apps to open your specific COM1 file.