When you open files that have a particular file extension, Windows will look at its configuration to determine what the default program should be in order to work with these files. The default ...

How do I change the file extension for all files in a folder? To change the file extension for all files in a folder, in Windows 7, click on the Organize button and then click Folder and search ...

Windows File Explorer offers a lot of options to change how you view files. What you might not know is that one important ...

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.

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.

Windows' Save As dialog can be a little annoying. If you want to use a certain file extension, you have to pick it from a long list, and sometimes it isn't even available in that list.

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.