Learn how to unprotect Excel sheets or workbooks without a password using this simple step-by-step guide. No software required!

Find out precisely how long it'll take a hacker to crack a password as long - and as complex - as yours, and how you can improve it.

To craft a better password, first learn how people crack them ...

Passkeys may be the future, but they sure can be bewildering — especially in a business context. Here are straightforward answers to all your pressing passkey questions.