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.

Keep reading to learn how it's done. Since iOS 11, Apple's Files app has made file management a more realistic proposition on iPhone and iPad.

The default setting for Windows is to not display a file's extension. Therefore, when viewing files in Windows you would only see the portion of the filename that precedes the last period in ...

FileTypesMan allows you to view, add, remove edit file extensions and types on Windows 11/10. You can always manually set or change File Associations & Extensions.