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

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.

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

2. Click Show or hide file extensions. 3. In the Folder Options box that appears, clear the checkbox next to Hide extensions for known file types, then click OK.

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 ...

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 ...

When it comes to converting file extensions on your iPhone, don't worry about downloading a third-party app when you can make the changes yourself.

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