Ntuser.dat (2024)

You might find yourself unable to log back in, as Windows wouldn't know how to load your preferences. The "Forensic" Side of NTUSER.DAT

Demystifying NTUSER.DAT: The Secret File Behind Your Windows Experience

Application-specific settings and "Most Recently Used" (MRU) lists. Where is it Located? NTUSER.DAT

Investigators often check this file for "autostart" registry keys that malware might use to stay on a system. What are the .LOG and .BLF Files? NTUSER.DAT Forensics Analysis 2026 - Cyber Triage

If you try to delete NTUSER.DAT while logged in, Windows will stop you, claiming the file is . If you were to somehow force-delete it: You might find yourself unable to log back

Every user account on a Windows machine has its own unique NTUSER.DAT file. You can typically find it at: C:\Users\[YourUsername]\NTUSER.DAT

A history of search terms used in the Windows search dialog. Investigators often check this file for "autostart" registry

You won't see it by default because it is a "hidden" and "protected operating system" file. To view it, you must toggle "Show hidden files" in File Explorer's folder options. Why Can’t I Delete or Rename It?