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Electronic Lock

Keep it locked up: Safes

While a home safe should be part of your security plan, a safe may be more feasible for many of us. It provides privacy and security, protecting your items from theft and scrutiny. However, it is essential to know what you should and…

How to Lock Cells in Excel

You may want certain cells in your Microsoft Excel worksheet to be protected from editing. You can easily lock these cells to prevent them from being overwritten, and you can lock all cells or specific cells. Let's see how to lock…