FreeFileSync is an open-source file synchronization tool that creates exact copies of your folders wherever you need them.

The Windows operating system uses the file extension to understand how to open a file. For example, when you double-click to open a TXT file, Notepad probably opens it.

You can create a file without a File Type Extension in Windows 11/10 by carefully following the steps laid down in this post.

Learn how to use a Microsoft 365 setting to choose whether to open files in the online or desktop app, giving you full control for each file.

File search: You can now find, open and ask questions about the contents of a file on your device from the Copilot on Windows app.