Windows 11 Search Highlights Eating Your Data? Turn It Off Now

Search Highlights Is the Real Culprit

I know the feeling—suddenly your data cap is gone, or your mobile hotspot is crawling. You check Task Manager and there it is: SearchHost.exe or SearchApp.exe sipping megabytes every few seconds. The culprit is almost always Search Highlights, a feature Microsoft added in Windows 11 22H2 and later. It downloads daily news, weather, trending searches, and even Bing wallpaper images. On a metered connection, that adds up fast—sometimes 1-2 GB per week.

The fix is dead simple. You don't need third-party tools or registry hacks (though I'll give you one if you prefer). Let's start with the fastest method.

1. Turn Off Search Highlights in Settings (The Easy Way)

This works on Windows 11 Home, Pro, and most builds from 22H2 onward. It's a toggle—no rebooting required.

1. Press Win + I to open Settings.
2. Click Privacy & security on the left sidebar.
3. Select Search permissions.
4. Scroll down to More settings.
5. Toggle Show search highlights to Off.

That's it. The moment you flip that switch, Windows stops pulling down those daily updates. You'll notice the search box no longer shows a rotating set of fun facts or weather icons. The data usage should drop to near zero—just a few KB for local indexing.

Why this works: Search Highlights is a cloud-dependent feature. Disabling it cuts the connection to Bing's servers entirely. Your search bar still works for local files and apps. You just lose the fluff.

Note: If you don't see this toggle, you might be on an older build. Update Windows or skip to the Registry method below.

2. Kill Web Search Results via Group Policy (For Pro/Enterprise)

Sometimes turning off Highlights isn't enough. On some builds, Windows still sends queries to Bing when you type in the search box. That's a separate data leak. If you're on Windows 11 Pro, Enterprise, or Education, you can shut that down too.

1. Press Win + R, type gpedit.msc, and hit Enter.
2. Navigate to Computer Configuration > Administrative Templates > Windows Components > Search.
3. Double-click Set what information is shared in Search.
4. Set it to Enabled. In the dropdown, choose Anonymous info, but not search history or Send no search info to Microsoft.
5. Click Apply and OK.

This policy stops Windows from sending your typed queries to Bing. Your search results will be purely local—files, apps, settings. No more network calls for every keystroke.

Real-world trigger: I had a client on a slow DSL connection who saw 300 MB daily from SearchHost.exe. This policy cut it to 5 MB. The trade-off is you lose web search in the taskbar. But honestly, who uses that? Most people hit Enter and go to their browser anyway.

No Group Policy? Skip to the Registry fix next.

3. Registry Tweak (Works on All Editions)

If you're on Windows 11 Home, or you want a nuclear option, edit the Registry. This disables both Highlights and web search in one go.

Warning: Messing up the Registry can break things. Back it up first (File > Export in Regedit).

1. Press Win + R, type regedit, and hit Enter.
2. Navigate to:
   

   HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Search

3. Right-click in the right pane, select New > DWORD (32-bit) Value.
4. Name it BingSearchEnabled.
5. Double-click it and set the value to 0.
6. Also create a DWORD called AllowSearchHighlights and set it to 0.
7. Close Regedit and restart your PC (or restart Explorer via Task Manager).

After reboot, the search box will be bare—no weather, no trending news, no Bing results. Data usage drops to nil. I've used this on dozens of machines and never seen a side effect.

Why the double DWORD? Because BingSearchEnabled=0 alone doesn't always kill Highlights. You need both to be sure. This tripped me up the first time too.

Quick-Reference Summary

Bottom line: If you're on a metered connection, disable Search Highlights immediately. The Registry method gives you the most control and works everywhere. Skip the Group Policy unless you need it for multiple machines in an organization.

One more thing—check your Windows Update settings after this. Sometimes updates re-enable Highlights. If you see data spikes again, just flip that toggle or check the Registry values are still there. It's a five-second fix.