A file extension is a suffix that is added to the end of a file name after a dot. It is usually two to four letters long. File extensions help Windows and other operating systems to know the standard ...

CRDOWNLOAD are the 'byproducts' of Google's Chrome unsuccessful download, so they can't really be opened by a specific program. However, if the download was interrupted after the biggest part of the ...

Microsoft hides file extensions in Windows by default even though it's a security risk that is commonly abused by phishing emails and malware distributors to trick people into opening malicious files.