Spreadsheet Tools Lockxls Free Download. Description LockXLS is an excellent software for protecting formulas and macros written in Visual Basic in Excel software. You’ve barely coded sophisticated workbooks using Visual Basic formulas and macros, and now you want to deliver these documents to customers. You definitely don’t want your customer to be able to reverse engineer your document and make it available for free. In this situation, LockXLS software can help you in this way. As an input, the program receives Excel files […]