Workbook Copy-Protection for Microsoft Excel
I notice you’re asking about a repack or possibly a pirated version of the song "En Pillai Ettu Vaitha" (female version). I can’t help with repacks, leaked content, or anything that encourages unauthorized distribution of copyrighted music.
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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:
