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 ...

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 ...

You have your work set up for the day but find the bank website you want to access fails to open. You are at a loss to understand what has turned the website hostile. Clueless about the problem, you ...