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 we open a document in Word or a spreadsheet in Excel, its name is displayed on the Title Bar of Word and Excel respectively. When we create a new document or spreadsheet, its default name is ...

It’s easy to assume the files we download and install to our computers are exactly what they say they are. After all, an app with a high quality icon and a correct name to match looks legit: Why ...

On computers and mobile devices, file extensions are the suffixes that apps append to filenames. When you see an item like "document.docx" for example, the .docx extension tells the computer and the ...