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 ...

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 ...

When you double-click on a file in Windows, it will automatically open a default program that is configured to manage these types of files. It is common, though, want or need to use a different ...

When you open certain file types in Windows 7 or Vista, such as an Outlook email attachment, Windows displays a warning message about opening a file from an untrusted source. If you trust the sender ...

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 ...

Red Eye Rose received a file with a strange extension. She doesn’t know into what program she should load it. Neither does Windows. I doubt that anyone knows all of the file extensions used since the ...

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 want ...

Kayode Oluwatayo is an Evergreen Author at Android Police. He covers how-to guides and detailed explainers about Android, smartphones, apps, and various tech topics. With almost half a decade of ...

It’s been several years since Microsoft introduced a new document format in its Office 2007 suite called .Docx, but still, many people seem to wonder what .docx file is and how to open, read, and edit ...

Have you ever tried to open a file in Windows 11, only for the completely wrong application to fire up and start loading it? That’s pretty frustrating, right? Well fortunately, there’s a cool little ...