XLS Padlock is software for Microsoft Excel to copy-protect Excel workbooks. XLS Padlock is directly integrated into Microsoft Excel as an add-in: it works as a compiler that allows you to turn your Excel worksheets into secured applications. Thus, you can safely distribute your XLS files, control which user can access your Excel worksheets and prevent copying. Besides, XLS Padlock allows you to secure your Excel files with dongle protection or with hardware-locked activation keys only working on a given computer. You can also decide which formulas should be protected, so that an end user can use them, but without accessing them or being able to copy them in another Excel file. Applications can expire after a given number of days or runs, or on a specific date. Perfect if you want to let users try your Excel applications. Secured applications are stand-alone and only need Microsoft Excel to work. All Excel functionalities are supported. Compatible with Excel 2000, 2002, 2003, 2007, 2010 and Excel 2013. 32-bit or 64-bit versions are available. Full user guide and support forum are available.