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 ...

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 ...

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 ...

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 ...

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 ...

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 ...

If you come upon a file extension you don't know, the endlessly useful Wolfram Alpha has a tool built-in that will tell you what it is and what programs you'll need to open it. Get daily tips, tricks, ...

When you try to open an Office file that is blocked by your Registry policy settings, you may get the following error message You are attempting to save a file that ...