Microsoft® Excel® Spreadsheet Protection Solution

Add protection to Excel and OpenOffice™ spreadsheets with free cross-platform Apps and APIs

Free Online App for Excel Protection

Protect Excel XLS, XLSX & ODS spreadsheets with password

High Code APIs to Password Protect Spreadsheet

Native APIs to protect Excel & OpenOffice spreadsheets using .NET Core, Xamarin, Java, C++, Android, Node.js, PHP & Python