The Command Prompt simplifies editing file extensions for multiple files at once, as long as they're in the same folder. Use asterisks (*) to avoid specifying each file by name.

Learn how to batch rename files or change file extension for all files in a folder quickly & easily in Windows. Mass or Bulk rename multiple files.

Changing file formats in Windows 11 can be done via File Explorer for quick swaps. Command Prompt offers a trickier method to alter file extensions, but it must be done carefully. Compatible apps ...

Want to see file extensions of your files in Windows, but not sure how to do it? Here's how to show and change file extensions in Windows.

How to change the default program a file opens with in Windows 7 When you open files that have a particular file extension, Windows will look at its configuration to determine what the default ...

Normally, if you change a file’s extension in Windows, it doesn’t do anything positive. It just makes the file open in the wrong programs that can’t decode what’s inside.

Need to use third-party programs to open files on your PC? Here's how to change file associations in Windows 10 and choose which apps open which file types.

How to set the default programs for an unknown extension in Windows 7 At times you may have files that have a file extension that is not know to Windows.

On Windows 11, you can change the format of a file in multiple ways through File Explorer, Command Prompt, and from a compatible application. In this guide, I'll show you how.