Watermark XLS File Online via Watermarking App and via .NET applications

Watermark XLS Files Online using App

1. Upload XLS files to Watermark.
2. Write the Watermark Text.
3. Choose relevant color.
4. Click the “Watermark” button.
5. Download the Watermarked XLS file.

Watermark XLS File via .NET

1. Load XLS file using Workbook class
2. Select the relevant sheet
3. Create watermark by using new Shape to the worksheet
4. Assign the relevant text properties
5. Lock the Shape and set other lock types
6. Call Save method and get the Watermarked XLS file.

.NET Watermarking Library for XLS Files

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 .