Curious how the Caesar Cipher works? This Python tutorial breaks it down in a simple, beginner-friendly way. Learn how to ...

Microsoft has confirmed a known issue that prevents recipients from opening encrypted emails in classic Outlook.

When the IBM PC was new, I served as the president of the San Francisco PC User Group for three years. That’s how I met PCMag’s editorial team, who brought me on board in 1986. In the years since that ...

We don’t know exactly what he said, but in 1971, Ray Tomlinson used Arpanet to send the first email ever. You can bet he was only thinking about getting the message to its destination, not about ...

We list the best ways to share files securely, to make it simple and easy to send files online to share with friends, family, or colleagues. There's plenty of file-sharing services online, and most ...