.6553 is Unknown file extension
Key Features: .6553 File Extension
What is an .6553 file?
The 6553 file extension seems to be in use for certain files that are mentioned on the internet. However, we have not yet found their original program nor any specific information about it.
If you know some more useful informations about the 6553 file extension, please let us know in the discussion below or on our forums.