Windows File Explorer offers a lot of options to change how you view files. What you might not know is that one important ...

The default setting for Mac OS is to not display a file's extension. For those who want to view the full filename, rather than having the extension removed automatically , this tutorial will ...

What does Win Show file extensions actually mean? Find out inside PCMag's comprehensive tech and computer-related encyclopedia.

To show file extensions in Windows, open the File Explorer. Click View on the menu ribbon at the top, and check the box next to File name extensions.

Although some Explorer views eliminate the need to reveal file extensions, the options is there if you want it.

Need to look at invisible files and show hidden file extensions in Windows? Here's how to reveal them.

If you add 'File name extensions' item to the Windows context menu, you will be able to show or hide file extensions with a single click!

I recommended to not open unknown files with the following extensions: .exe, .shs, .vbs, .pif, .doc, .xls, and even .htm if someone e-mails such a file to you or you accidentally come across one ...

What does hidden file extensions actually mean? Find out inside PCMag's comprehensive tech and computer-related encyclopedia.