pragmasujit XlsxCrypt.NativeExcelEncryption by: pragmasujit .NET 10.0 This package targets .NET 10.0. The package is compatible with this framework or higher. .NET Standard 2.0 This package targets .NET Standard 2.0. The package is compatible with this framework or higher. 221 total downloads last updated 10/2/2026 Latest version: 1.1.2 excel xlsx encryption cryptography office security Native .NET library for Excel workbook password encryption and decryption.