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 ...

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.

Changing file formats in Windows 11 can be done via File Explorer for quick swaps. Command Prompt offers a trickier method to alter file extensions, but it must be done carefully. Compatible apps like ...