ULZ File Type

Written by:   |   Amended: November 26, 2018

Microsoft Silver

ULZ File Summary

File Extension ULZ has two unique file types (with the primary being the Windows Updates Downloader Update List File format) and is mostly associated with Windows Updates Downloader (Microsoft Corporation) and one other software programs. Generally, these files are considered Settings Files, but they can also be Data Files.

File Extension ULZ files have been identified on both desktop and mobile devices. They are fully or partially supported by Windows, Mac, and Linux. With a Popularity Rating of "Low", these files are not very common to your average computer user.

Please see the detailed information below to learn more about ULZ files and the programs that can open them. In addition, we provide simple troubleshooting information to help you open your ULZ file.

Low
Popularity
8182
Order

/ 11690

Active

Mode

26

November

2018

Edited

Open ULZ with FileViewPro

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Sorts of ULZ Files

  2 known file types use this extension

Main ULZ Affiliation

.ULZ
File Name:.ulz
Classification:Windows Updates Downloader Update List File

The above-mentioned file extension is related to the Windows Updates Downloader. Windows Updates Downloader is a third party software component for Microsoft Windows that permits users to download Windows updates from Windows Update service. The above-mentioned file extension saves the update list for Windows Updates Downloader.Note: the third-party component may be either free software component or sold by an entity other than the main developer and able to be reusable or upgradable by any developers to enhance it.

Created by: Microsoft Corporation
Class:Settings Files
Subkey: HKEY_CLASSES_ROOT\.ulz

Software Programs That Open The Windows Updates Downloader Update List File:


Windows Updates Downloader by Microsoft Corporation

Windows

Additional ULZ Files

.ULZ
File Name:.ulz
Classification:USBlyzer Data Capture File

The “ULZ” file extension is related to USBlyzer. The USBlyzer is a USB protocol analysis program. USBlyzer contains a hierarchy of connected USB devices with descriptive information about each device. Taken Data by the USBlyzer saved in ULZ file includes IRP and URB structures data, transfer buffer contents, device and driver object names, information about USB-related requests, I/O request packets, and incoming and outgoing USB traffic.

Created by: USBlyzer Team
Class:Data Files

Software Programs That Open USBlyzer Data Capture File Files:


USBlyzer by USBlyzer Team

Compatible with:

Windows
Mac
Linux

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ULZ Usage


Dominant Mobile Devices

Samsung (28.86%)
Apple (21.83%)
Huawei (9.25%)
Xiaomi (6.74%)
LG (3.11%)


Understanding ULZ Issues


Typical ULZ Opening Challenges

Windows Updates Downloader Isn't There

You attempt to load your ULZ file and get an error such as "%%os%% Can't Open The ULZ File Extension". Customarily, this means that Windows Updates Downloader is not installed on %%os%%. Because your operating system doesn't know what to do with this file, you won't be able to open it by double-clicking.


Tip: If you have another software that you know opens ULZ files, you can select it by hitting the "Show Apps" button.


Wrong Version of Windows Updates Downloader is Installed

In other instances, your Windows Updates Downloader Update List File file version may not be supported by your version of Windows Updates Downloader. If you do not have the proper version Windows Updates Downloader (or any of the other programs listed above), you may need to try downloading a different version of it, or one of the other software applications listed above. Most of the time your Windows Updates Downloader Update List File file was created by a newer Windows Updates Downloader than what you have installed.


Tip: Sometimes you can get a clue about the version of ULZ file you have by right clicking on the file, then clicking on "Properties" (Windows) or "Get Info" (Mac OSX).


Ultimately, most of the difficulties opening ULZ files are due to having the wrong version of Windows Updates Downloader installed.


Other ULZ File Opening Causes

Assuming you have the right Windows Updates Downloader version installed, other problems can prevent you from opening ULZ files. If you are still having problems opening ULZ files, there may be other issues that are preventing you from opening these files. Additional factors include:

  • Corrupt Windows Registry file path references for ULZ
  • The ULZ file description within the Windows Registry was removed
  • Corrupt install of Windows Updates Downloader or other ULZ-related program
  • The ULZ itself is corrupted
  • The ULZ is infected with a virus
  • Device drivers for ULZ-related hardware are out-of-date
  • Your PC doesn’t have enough available resources to open the Windows Updates Downloader Update List File file

Quiz: Which of the following is not a MIME type?









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