Every file that we have saved on our computers has a particular extension. The file extension is added at the end of the filename followed by a dot (.). It tells the operating systems about the ...

Every day, we come across different types of file extensions while working on a computer. The file extensions tell an operating system about the type of file so that the OS could select the right app ...

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

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 is not associated with a program, however, ...

You're probably aware that most files have an extension such as TXT or EXE after the file name, even though these are not always displayed in Windows. File extensions are how Windows knows what to do ...

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 ...

To view HEIF images or H.265 videos, you'll need to install a couple of extensions on Windows 10. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works.

Show or Hide Extensions for All Files in iOS Since iOS 11, Apple's Files app has made file management a more realistic proposition on ‌iPhone‌ and ‌iPad‌.