What Is Windows 11's New AI File Search and How Does It Work on Supported Laptops?

You saved that file. You’re positive. But now you’re clicking through folder after folder, trying to remember if you called it “final,” “final_v2,” or something you typed half-asleep at midnight. Windows 11 has a way out of that mess. Skip the guessing and just tell the search bar what you’re after, the same way you’d ask a coworker. Something like “the slides from Monday’s meeting” is enough, and the AI does the rest.

Instead of matching exact file names, it uses semantic indexing to understand what’s actually inside your files. So you can type something like “budget spreadsheet from last spring” and let Windows do the digging.

Microsoft started previewing the feature in January 2025, but only on compatible Copilot+ PCs. One thing to keep in mind: it’s a separate effort from Microsoft’s wider updates to the Windows Search interface, which are aimed at improving search overall.

The Short Answer

It works on Copilot+ PCs only. These are Windows 11 computers with a fast AI chip called an NPU. On other laptops, Windows keeps using the older keyword search.

The key points:

• Needs: A Copilot+ PC running Windows 11 24H2 or later
• Where it works: File Explorer, the taskbar search box, and Settings
• Default state: On by default for Copilot+ PCs, per Microsoft
• Languages: Six language groups, listed below
• Privacy: Microsoft says the data stays on your device

What AI File Search Does

The older Windows Search matches words. If you type "invoice," it finds files with "invoice" in the name or text. If you saved a bill as "scan0042.pdf," you may never find it.

The AI version tries to understand your meaning. Microsoft says it does not need exact matches, perfect phrasing, or even correct spelling. A search for "budget deck" can surface a file named "Q2_financial_review.pptx."

It also reads images. You can search for what a photo shows, such as "sunset over water," even if the file name is a string of numbers. This saves time when your Pictures folder has hundreds of files with default names.

How It Works

Two indexes working together

Windows has long kept an index. Think of it as a catalog of file names, details, and text, which makes searching quick. On Copilot+ PCs, Microsoft says the system builds a semantic index along with the traditional one.

The semantic index stores a numeric summary of each file's meaning. That lets Windows link related ideas. Microsoft gives a food example: a search for "pasta" can also bring up "lasagna," including images that contain either.

When you search, Windows checks both indexes. One technical guide explains that it queries both at once and merges the results, so exact name matches still appear fast.

The role of the NPU

The NPU is a chip made for AI tasks. In Microsoft's Windows Insider notes, the improved search uses the 40+ TOPS NPU in Copilot+ PCs. TOPS means trillions of operations per second.

Because this work happens on the laptop, you do not need the internet. TechRadar reported that the feature uses built-in AI models, so an internet connection is not required.

A simple example

Say you saved a rental agreement as "doc_final_v3.pdf." You type "rental agreement from last year" into the taskbar. Old search would likely miss it. Semantic search may find it because the text inside talks about rent and a lease.

It is not perfect. The AI can return files that are only related to your words, so you still check the results.

AI Search vs Traditional Search

The AI search does not replace the old one. If you know the exact file name, the keyword method is still quick and exact. Microsoft says the traditional search keeps working for all supported Windows languages.

Which Laptops Support It

Copilot+ PC requirements

A Copilot+ PC is Microsoft's label for Windows 11 computers that meet a set hardware level. Several guides list the same minimums:

• NPU: At least 40 TOPS
• Memory: 16 GB RAM
• Storage: 256 GB SSD or UFS
• Windows: Version 24H2 or later

Which processors

The first Copilot+ laptops used Qualcomm Snapdragon X chips. A 2026 admin guide says Copilot+ PCs typically use Snapdragon X Elite or Plus, Intel Core Ultra (Series 2), or AMD Ryzen AI 300 series chips. Newer chips may also qualify, so check your laptop maker's page.

How to check your laptop

What if your laptop is not Copilot+

If your laptop is not a compatible Copilot+ PC, do not assume it supports improved Windows Search. Check Microsoft's current documentation and your laptop manufacturer's specifications before relying on this feature.

Supported Languages

Before you get too excited, there’s a language catch. Microsoft says the improved search is optimized for English (US, CA, AU, GB), French (FR, CA), German (DE), Spanish (ES, MX), Japanese (JP), and Simplified Chinese. If you’re reading this from the US, Canada, or Australia, you’re covered.

Your results can still change depending on what language you type in and what language your files are written in. Microsoft says semantic search works as long as both your search words and your file contents are in a supported language, even if Windows itself is set to something else. But if either one falls outside the list, Windows may quietly fall back on old-school keyword matching.

The good news: your Windows display language doesn’t have to be on the list. If you search in a supported language and your files are in one too, you’ll still get the AI results.

Supported File Types

For semantic indexing, Microsoft lists these formats:

• Documents: .txt, .pdf, .docx, .doc, .rtf, .pptx, .ppt, .xls, .xlsx
• Images: .jpg or .jpeg, .png, .gif, .bmp, .ico

Other file types, such as code files or compressed archives, are not read for meaning. They still appear in normal results by name and details. If most of your work files are in unusual formats, expect less benefit.

How to Set It Up and Use It

On a Copilot+ PC, the feature is on by default, so there is little to set up. A few steps still help:

1. Update Windows. Open Settings, then Windows Update, and install what is available.
2. Open search settings. Go to Settings, then Privacy & security, then Search.
3. Choose a mode under "Find my files." Classic covers Documents, Pictures, Music, and the desktop. Enhanced covers your whole PC but, per Microsoft, may use more system resources.
4. Allow indexing to finish. Microsoft recommends plugging in your Copilot+ PC while the initial semantic index is being created. The time required can vary depending on the files and locations being indexed.
5. Search in plain words. Press the Windows key, or use the search bar in File Explorer.

Older guides call the menu "Searching Windows." Menu names change, so follow your own screen if it looks different.

Tips for better results

• Describe what the file is about, not its name.
• Add a month, a topic, or a file type to narrow the results.
• If the first try fails, use different words for the same idea.

Searching settings

The AI also helps in the Settings app. You can type "stop apps from running at startup," and it points you to the right page. This helps when you do not know the official name of an option.

The Copilot app

The Copilot app on Windows also introduced semantic file search for Copilot+ PCs. Microsoft says users can manage what Copilot can access, retrieve, or read through the app's permission settings. Availability and settings may vary by version, so check the current options in your app.

If It Does Not Work

Check these in order:

• No sparkle icon: Your laptop may not be a Copilot+ PC.
• Still on Windows 11 23H2 or older: Update to 24H2 or later.
• Files not showing: The folder may not be indexed. Add it in the search settings or switch to Enhanced.
• Weak results: Check that your files and search words are in a supported language.

Privacy: What You Should Know

Any AI feature that reads your files raises fair questions. Here is what Microsoft says on its support page:

• Local storage. All data from semantic indexing stays on your PC and is not stored by Microsoft or used to train AI models.
• On by default. Semantic indexing is enabled by default on Copilot+ PCs.
• You can limit it. You can exclude locations and file types in the Advanced indexing options.

As with any feature that indexes local files, review which folders are included in search and install software only from sources you trust. You can manage indexed locations and file types through Windows Search settings.

Some simple steps:

• Remove folders with private files, like ID scans or tax papers, from the indexed locations.
• Use Classic mode if you do not need your whole drive searched.
• Do not mix this up with Recall, which is a different Copilot+ feature that saves screen snapshots. File search does not do that.

I did not test the privacy claims myself. They come from Microsoft's own documentation, so treat them as Microsoft's statements.

Limits to Know About

• Hardware lock: Most Windows 11 laptops cannot use it.
• Language limits: The best results are in six language groups.
• File limits: Only common documents and images are covered.
• Close, not exact: You may get related files instead of the exact one.
• Resource use: The first scan takes time, and Enhanced mode uses more resources.
• Staged rollout: Your laptop may get updates later than another one.

Who Should Care About It

It is not a reason to buy a laptop by itself. Most people can find files with tidy folders and the old search. It works best as a bonus when you already plan to buy a Copilot+ laptop for other reasons.

It may help if you:

• Keep thousands of files with messy names
• Work with scans, screenshots, and photos
• Receive files from others who name them differently
• Work in English, French, German, Spanish, Japanese, or Simplified Chinese

You can skip it if you:

• Already keep your folders in order
• Mostly work in other languages
• Use many unusual file formats
• Do not plan to change your laptop soon

The Final Takeaway

In short, Windows 11’s AI file search lets you find files by describing them instead of remembering their names. It sits alongside the regular search, runs on the NPU in Copilot+ PCs, and, according to Microsoft, keeps its data on your device. If your laptop isn’t a Copilot+ PC, you simply won’t see it, and the usual search keeps working like before.

So before you get excited, check three things: whether your laptop has the Copilot+ label, which language you search in, and what kinds of files you usually work with.

Sources

• Microsoft Support — Search indexing in Windows
• Windows Insider Blog — Previewing Improved Windows Search on Copilot+ PCs
• Windows Insider Blog — Improved Windows Search for AMD and Intel-powered Copilot+ PCs
• Microsoft Copilot Blog — Semantic Search in the Copilot app on Windows

Disclaimer

Heads up: Windows features, hardware requirements, and even menu names change a lot. Before you count on any of this, check Microsoft’s support pages and your laptop maker’s website to see what applies to your device.

Written by Mr. Tarsem Singh

Founder & Editor, Beinfora

This article was researched and written by Mr. Tarsem Singh to provide clear, useful technology information for readers