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 ...

Ernie Smith is a former contributor to BizTech, an old-school blogger who specializes in side projects, and a tech history nut who researches vintage operating systems for fun. With so many emerging ...

The problem can occur when the Word file you are trying to open has a different file extension than the file you are attaching. It happens when you convert the file manually. There can be other ...