How to Open Unrecognized File Extensions. In most cases, the majority of the file extensions you encounter on your computer are already associated with a program or protocol. When a file extension ...

Red Eye Rose received a file with a strange extension. She doesn't know into what program she should load it. Neither does Windows.

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

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 ...

In the Mac OS it is possible to change the default program the operating system will use to open a file when you double-click on it. After you have changed this file association, though, you may ...

Learn how to rename all file extensions in a folder & sub-folders at once on Windows 11/10. You can batch rename or rename all file extensions in bulk using this guide.

When it comes to converting file extensions on your iPhone, don't worry about downloading a third-party app when you can make the changes yourself.

If you haven't filed yet and are feeling pressed for time, you may want to consider getting an extension. Here's how to get the extra time you need.