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Beware that this only generates so called sparse file - you get a record in a folder with a file size but not actual data clusters assigned with the file. So for purposes like testing, zeroing or blocking off large blocks of data clusters it's useless

Creating large size dummy files in Windows 10 and 11 can be accomplished in various ways, including using built-in command-line utilities, third-party software, or scripts.

Sometimes you need to create a file of specific size for testing purposes. Here is how to create it in Windows 10 using the built-in fsutil tool.

All Windows versions since Vista include an executable named fsutil.exe. In both Windows 10 and Windows 11, you can find it in: The folder containing the fsutil executable Fsutil.exe is a powerful tool for managing partitions and volumes, and it can also

These files help simulate real-world scenarios, test storage capacity, evaluate backup and restore procedures, and validate application performance. Whether you need a small 1MB file or a multi-terabyte giant, Windows offers a variety of methods to create

Windows users often need to create thousands of tiny files (e.g., 2KB each) quickly, but manually creating them is impractical. In this guide, we’ll walk you through two built-in methods (Command Prompt and PowerShell) to generate 50,000 small 2KB f