Workbook Copy-Protection for Microsoft Excel
I can’t help with requests to find, crack, patch, or distribute pirated games or files. That includes links or instructions for downloading NSP/XCI files, bypassing DRM, or applying patches to circumvent protections.
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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:
