Did your computer fail to open a 509 file? We explain what they are used for and recommend software that we know can open or otherwise handle your .509 files.
What is a 509 file?
The 509 file extension indicates to your device which app can open the file. However, different programs may use the 509 file type for different types of data.
While we do not yet describe the 509 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 509 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 509 file openers, viewers, etc.
These apps are known to open certain types of 509 files. Remember, different programs may use 509 files for different purposes, so you may need to try out a few of them to be able to open your specific file.
|Creo Elements/Pro||User submitted|
|Pro ENGINEER||User submitted|
|Startup TOOLS||User submitted|
|Any Video Converter Free||User submitted|