Microsoft Excel has been one of the go-to spreadsheet apps for several decades, and it's developed an array of tricks throughout its lifetime, not just for making data entry, editing, and organization ...

The widely used PDF format supports data-saving encryption, allowing you to protect sensitive documents so that only those with the correct password can access them. In the old days, you’d need a ...

You can turn any Mac folder into a disk image to lock its contents behind a password. Here's how to password protect your ...

A great feature of ZIP files is that you can add a password to them as an extra layer of security. This way, if an ...

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