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How to Delete Ntuser Data

Updated July 20, 2017

Responsible for storing Windows user account settings and preferences, the Ntuser file is a system file that must be present for the user account to function. Depending on several factors, the Ntuser file can take a noticeable amount of drive space. If you are removing a user account you no longer need on your computer, this file can safely be deleted. You will need to be signed in on a different account with administrative privileges to remove this file.

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  1. Click "Start" then click "Computer." Double-click the "Local Disk C" icon.

  2. Click "Tools" then "Folder" options. This opens a small dialogue window. Click the "View" tab. Click to remove the check mark next to "Hide protected operating system files" then click the "Apply" button and close the dialogue window.

  3. Double-click the "Users" folder. This folder contains subfolders named according to the account name. Double-click the account folder. Right-click "NTUSER.DAT" and click "Delete." Click the "Yes" button on the confirmation dialogue. You can also delete the "NTUSER.DAT.LOG" files.

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About the Author

Mike Benson

Mike Benson has been a freelance writer since 2000. He has authored tech guides on eHow as well as product and game reviews on a number of websites. Benson has focused his career in information technology and is educated in COMPTIA A+, electronics, A, B, C networking, search engine evaluation and programming. Benson has a certification of computer fundamentals and literacy.

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