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How to Clear File Explorer Search History (WordWheelQuery)?



WordWheelQuery & search history traces
What is WordWheelQuery and why should I clean it?

Whenever you type something into File Explorer's built-in search box, Windows remembers it. On Windows 7, 8, 10 and 11, that history lives under HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\WordWheelQuery.

Why this is different from most traces on this site. Shellbags, RecentDocs, the ComDlg32 keys, they all reveal file and folder names, structured data tied to something that exists on disk. WordWheelQuery is different: it's whatever free text you typed, which can be anything, a person's name, a topic, a fragment of something you were trying to find. That makes it one of the more directly revealing artifacts here.
What's inside WordWheelQuery?
Structure of a Windows WordWheelQuery entry Vertical layout of one WordWheelQuery entry. Each numbered slot holds the actual search text typed into File Explorer's search box, and an MRUListEx value tracks which search was most recent. All of these fields are removed by PrivaZer. Stored under HKEY_CURRENT_USER · one slot per recent search · confirmed by inspecting the raw registry data Slot number (value name) e.g. 0, 1, 2 ... just a position in the list Search text (value data) a UTF-16 string, the exact words you typed MRUListEx which search was most recent Removed by PrivaZer

Field What it reveals Processing by PrivaZer
Slot number A position in the list, not identifying on its own Removed
Search text Exactly what you typed into the search box Removed
MRUListEx Recency order of your searches Removed

There's no folder, no file, no application here, only the raw text of what you searched for. PrivaZer removes these entries so that search history no longer sits in the registry.

Does PrivaZer clear WordWheelQuery?

Yes. PrivaZer detects and clears the values under WordWheelQuery as part of a scan, and can target it on its own.

Like UserAssist and MUI Cache, this lives entirely under your per-user hive (HKEY_CURRENT_USER). PrivaZer simply removes the matching registry values, no reboot is needed, and no administrator rights are required since it's your own user hive.

What is ACMru\5603, and why does PrivaZer clean it too?

WordWheelQuery only exists from Windows Vista onward. On Windows XP, the equivalent search history was kept by the old Search Companion, under HKEY_CURRENT_USER\Software\Microsoft\Search Assistant\ACMru\5603, specifically the box for searching files and folders by name. PrivaZer clears both keys, so your search history is covered whether it was written by the modern File Explorer search box or its XP-era predecessor.

Do WordWheelQuery entries survive after I close File Explorer?

Yes. Closing the search window, or even the app you searched from, doesn't clear the entry. Your search terms sit in the registry across reboots until the list naturally cycles old entries out, or until you clean it yourself.

Is it safe to clear WordWheelQuery?

Yes. Clearing it doesn't affect your files, your installed programs or system stability. The only visible effect is that File Explorer's search box stops suggesting your past searches until you search for something new.

Will WordWheelQuery entries come back after cleaning?

Yes, the next search you type gets recorded again, that's normal, ongoing behavior for a search-suggestion feature. Cleaning removes the historical trail up to that point. Run PrivaZer periodically to keep it short.

How is WordWheelQuery different from the other traces on this site?

Every other artifact here, shellbags, RecentDocs, the ComDlg32 keys, Amcache, UserAssist and the rest, describes something that already existed: a file, a folder, a program. WordWheelQuery describes intent, the words you chose to type. It's unstructured, so it can capture things none of the other traces would ever record.

For the file and folder side of your history, see: RecentDocs та Shellbags.

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For advanced users
Scan options - Recent searches - File
How to clear File Explorer search history on Windows (WordWheelQuery)
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