What Are CHK Files? Can We Delete Them?
📂 What Are CHK Files? Can We Delete Them? (Complete Guide 2026) Have you seen files with the .CHK extension in your computer or USB drive? You may wonder: What are CHK files? Are they important? Can I delete them safely? Let’s understand in simple words. 🧾 What Are CHK Files? CHK files are recovered file fragments created by Windows when it scans your disk for errors. They are usually created by a Windows tool called: CHKDSK (Check Disk) When your computer: Shuts down suddenly Crashes Has USB removal without ejecting Has corrupted storage Windows runs CHKDSK and saves damaged file pieces as .CHK files . 📁 Where Do CHK Files Appear? CHK files are usually found in: USB drives SD cards External hard drives Internal hard disk They are often stored inside a hidden folder named: FOUND.000 🔍 What Do CHK Files Contain? CHK files may contain: Parts of deleted documents Video fragments Image fragments Corrupted system data But you usually cannot open them normally because they are broken ...