Open ad4 file
Did your computer fail to open ad4 file? We explain what ad4 files are and recommend software that we know can open your ad4 files.
What is ad4 file?
Files with ad4 extension can be found as audio files used by 4D Systems. Probably a highly and also obsolete audio format.
ad4 file description
File extension ad4 is related to a proprietary audio format used by 4D Systems in their solutions.
Probably not used outside 4D Systems programs. Might also be no longer used.