Serial numbers in zone files help your DNS service determine whether it should re-ingest your zone files or ignore them. But there’s more to these pseudo timestamps than meets the eye. In fact, the ...

While generally speaking, knowing the serial number of your Apple Watch isn't necessarily something you'll need, being able to find it is important should the need arise. After all, the serial number ...

There are various reasons you might want to find your laptop or computer’s serial number. Some schools ask that you register your laptop for academic use. Workplaces often do the same thing. You may ...

Topher, an avid Mac user for the past 15 years, has been a contributing author to MacFixIt since the spring of 2008. One of his passions is troubleshooting Mac problems and making the best use of Macs ...

Welcome to Further Details, a recurring column where we investigate what purpose an oft-overlooked product element actually serves. This week: why people hide their watches’ serial numbers. Wait, ...

Apple will soon be changing the way serial numbers of Macs and MacBooks are created, with a switch to randomized numbers in early 2021 making it harder to suss out details about a device. Currently, ...

Your Android phone’s serial number is a unique identifier that can be used to track your phone if it is lost or stolen. It can also be used to register your phone with your carrier or manufacturer, to ...

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If you need to calculate dates in your spreadsheets, Excel uses its own unique system, which it calls Serial Numbers. Every date (month, day, year) and time (hour, minute, and second) has an ...