New installations of Windows hide all file extensions, except for Windows components, that would appear in Explorer or an application dialog box that displays file names. File extensions are ...

Ever got stuck with a file that has some mysterious extension? Where no matter how much you try, the Jigsaw puzzle doesn’t seem to fit together? So, for instance, if the file has the extension ...

One of our readers reported that all the file extensions have changed to some unknown file format. If so, it could be a virus! If a virus has changed all the files extensions to unknown applications, ...

Many times we receive files whose extension is unknown. This often happens when the sender puts a wrong file extension and it becomes difficult to open the file due to an unknown format. Here is a ...

Windows File Explorer provides a ton of options to change how you view your files. What you might not know is that a critical option is disabled by default, despite being vital to your system's safety ...