Most likely, you have a Dolby Atmos component (surround sound technology) in your machine. Continue to read to verify if it is really a valid process.
What is DAX3API.exe?
It is a Windows service that installs with devices that got a Dolby Atmos component; the file itself resides under C:\Windows\System32\dolbyaposvc. It looks like a Windows system file, which is not the case if you uninstall the Dolby Atmos device. Then this service and this file are gone.
If you are unsure if your system got the Dolby Atmos component, you can verify it from Device Manager. Press Windows Key + X and click Device Manager. Under Software components verify there is a DolbyAPO SWC Device. For further investigations right-click on it and chose properties.
Go to the Driver tab, read out Driver versions. To verify further, you can press the Driver Details button and see that it refers to the file DAX3API.exe
Is it a safe file?
The file is safe if all the three below are true: If all the three above are true, it is a secure and valid process.
Don’t worry DAX3API.exe is a legit file
As we’ve discussed, DAX3API.exe is normally a valid Dolby Sound file. To be safe, you have to verify the file is recent, has the correct digital signature, and runs out of the correct folder. Do you have additional questions about processes running or Windows 10 in general? Please post your question or comment on our free Windows 10 discussion forum.
