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 ...

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.

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.

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.

When you double-click on a file in Windows 8, Windows will automatically open that file using a program that has been associated with that file's extension. There may come a time, though, that ...

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.

This guide explains how to change the file extension in Windows 11. It also clarifies the distinction between file extensions and file types. Change a File Extension the Easy Way The simplest way ...