Unlock XLS Document Password Online or via .NET

Unlock XLS Password Online

1. Import XLS file to unlock by uploading it.
2. Do it by clicking inside the drop area via drag and drop of app.
3. Depending on the size of XLS file and internet speed wait for few seconds.
4. Enter the password to remove.
5. Click the ‘UNLOCK’ button to unlock document.
6. Download the file instantly.

Remove XLS Password via .NET

1. Load password-protected XLS file using Workbook class
2. Select the relevant sheet
3. Invoke the Unprotect() method to remove password
4. Call the Save method to save the document

.NET Utility to Manage XLS Protection

There are three alternative options to install “Aspose.Cells for .NET” or “Aspose.Total for .NET” onto your system. Please choose one that resembles your needs and follow the step-by-step instructions:

• Install a NuGet Package . See Documentation
• Install the library using Package Manager Console within Visual Studio IDE
• Install the library by hand using Windows Installer

System Requirements

Our product is fully cross-platform and supports all major .NET implementations following ‘.NET Standard 2.0’ specification:

• Microsoft .NET Framework, starting from the earliest 2.0 version, and ending with the latest ‘.NET Framework 4.8’
• .NET Core, starting from the earliest 2.0, and ending with the latest ‘.NET 6’
• Mono >= 2.6.7
  
  As .NET code doesn’t rely on the underlying hardware or operating system, but only on a Virtual Machine, so you are free to develop any kind of software for Windows, macOS, Android, iOS and Linux. Just make sure you have installed the corresponding version of .NET Framework, .NET Core, Windows Azure, Mono or Xamarin.
  
  We recommend using Microsoft Visual Studio, Xamarin, and MonoDevelop IDE to create C#, F#, VB.NET applications.
  
  For more details please refer to Product Documentation .