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 ...

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 ...

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 ...

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 ...

First, open Windows Settings by pressing Windows+1 on the keyboard. You can also rick-click the Start button and choose Settings from the menu. In Settings, select "Apps" in the sidebar and choose ...

Whether you're looking at documents regarding business analysis, performance reporting or financial management, you might come across a special type of Microsoft Excel spreadsheet with the file ...