What is .ULZ file extension?
Contains data captured by USBlyzer, a USB protocol analysis program; contains a hierarchy of connected USB devices with descriptive information about each device.
Information captured by a ULZ file includes IRP and URB structures data, transfer buffer contents, and device and driver object names. May also contain information about USB-related requests, I/O request packets, and incoming and outgoing USB traffic.
ULZ files can be exported by USBlyzer for future reference.
You can see a list of software programs here on easyfileopener.org that can open this file type so that you don’t need to search for it on the web. You can then open your file with this extension using a software listed below.