"defaultuser0.dat" file in ProgramData

win 10 user 0 Reputation points
2026-09-11T01:01:04.0633333+00:00

I was looking in c:\ProgramData\Microsoft\User Account Pictures. What is this "defaultuser0.dat" file?

Windows for home | Windows 10 | Files, folders, and storage
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  1. Ivan B 122.5K Reputation points Independent Advisor
    2026-09-11T01:42:59.6666667+00:00

    Hi,

    The defaultuser0.dat file located in that folder is not the user profile itself, but rather the default profile image (avatar) that Windows associates with the defaultuser0 temporary account—an account used when the actual Windows user account fails to load.

    https://learn.microsoft.com/es-es/answers/questions/3866198/la-imagen-del-perfil-de-usuario-de-windows-search?page=3

    Credits.: https://learn.microsoft.com/en-us/answers/questions/5865457/how-to-locate-local-user-account-image-path

    Please consider rating the question (accepting the answer or not) and visiting the Microsoft Q&A community if you have further questions.

    Thanks.

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