Workbook Copy-Protection for Microsoft Excel
Use it with reverence. Then consider upgrading to a modern backup solution—but keep the installer. Just in case. If you need an actual download link or step-by-step troubleshooting for a specific Infinix model (e.g., Hot 4, Note 5, Zero 6), let me know and I can refine the text into a practical guide.
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Office 2024 down to 2010 offer native 64-bit versions. XLS Padlock is an add-in for Excel, so it must match the same bitness as Excel.
In this article, Microsoft explains how to find the version and bitness of your Office installation
For instance, for Office 2016: start Excel. Open the File menu, and then select Account and click About Excel:
