Note: We have included screenshots of Excel. However, if you want to make the change in Word or PowerPoint, you must follow the same steps. The list of file extensions will be different as per the app ...

Formatting a USB drive might seem straightforward until you're faced with options like exFAT, NTFS, and FAT32. Choosing the ...

Microsoft said Thursday that XML would be the default file format for three applications when it ships Office 12 late next year. The company said its new Microsoft Office Open XML Formats would be ...

Microsoft is making it easier to change your default file associations by adding a new search feature that lets you quickly find the extension you wish to modify. When a program is installed in ...

A file extension is a suffix that is added to the end of a file name after a dot. It is usually two to four letters long. File extensions help Windows and other operating systems to know the standard ...

Android is a powerful and versatile operating system, but it can also become cluttered and confusing over time. One way this can happen is with default app settings. When you first install an app, it ...

HEIC and JPEG are two popular image formats used around the world. But which one is the best choice, especially when it comes to detail and quality?

What steps do I need to take to change the default action on Windows XP and Windows 7 when someone tries to open a CHM file? I want the file extension to be associated with notepad.exe for ALL users.