Workbook Copy-Protection for Microsoft Excel
The legend of Hanuman reminds us that true strength lies not in physical might alone, but in the purity of one’s heart and the willingness to act for the greater good.
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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:
