Add Yahoo as a preferred source to see more of our stories on Google. This guide explains how to change the file extension in Windows 11. It also clarifies the distinction between file extensions and ...

Mac OS X computers use a default application to open every file type based on its file extension. If you don't want to use the default application when opening a file, you can select "Open With" from ...

Microsoft uses file associations to set default programs for opening different file types on all its operating systems. As a result, when you open a file, be it text, image, or document, on your ...

Windows is the most popular operating system and is the first preference for people because of its user-friendly nature. It also supports a large ecosystem of freeware. One such we will see today is ...

One of the more frustrating things I experience in daily usage of my Mac is opening a file that launches an unexpected application, which can sometimes result in a failure to open the file. Joe is a ...

One of the things we get a lot here at Cult of Mac, especially in our coverage of games, is folders full of promotional images. Now, for a variety of reasons, we often need to change the type of those ...

When you double-click a file on your computer, Windows may launch an application to run or display the file. Windows knows how to do this because it maintains a list of known file types and the names ...

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 program ...

In OS X, all file types have a default application that opens when you double click on them. If you double click on a PDF file or a PNG file, chances are that your Mac will open it in Preview, Apple’s ...

It’s time for another grab bag, selected from the many questions I get from readers. In this week’s column, I look at some questions about font size in iTunes (spoiler: your options are limited), ...

The problem can occur when the Word file you are trying to open has a different file extension than the file you are attaching. It happens when you convert the file manually. There can be other ...