Archived article explains user profile components, focusing on AppData and NTUSER.DAT in Windows systems.
What a Windows user profile really is: files plus the NTUSER.DAT registry hive. Covers AppData rules, roaming profiles, FSLogix, and troubleshooting. Archived version of https://comcomponent.com/en/blog/2026/03/17/002-windows-user-profile-guide/, as published on 2026-07-27. The live article is maintained and may change after this date. First published 2026-03-17.
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