additional types of files may also be using the d09 file extension. if you are aware of any other file formats using the d09 file extension, please contact us so that we can update our information accordingly.
Can you repeat this sentence, but capitalize it correctly?
Additional types of files may also be using the D09 file extension. If you are aware of any other file formats using the D09 file extension, please contact us so that we can update our information accordingly.