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Workbook Copy-Protection for Microsoft Excel
We’re happy to publish a video tutorial on XLS Padlock. If you’re looking to protect your Excel files and control who has access, this tutorial … Read More
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Office 2021 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:
