In today’s digital age, ensuring the security and integrity of data is paramount. One effective way to protect sensitive information in Excel files (XLSX) is by adding a text watermark. In this article, we’ll explore how to add text watermark to XLSX using C# programming language. Before we dive into the technical details, let’s understand what a text watermark is in the context of Excel files. A text watermark serves as a semi-transparent overlay of text on a document. It’s purposefully included to communicate extra information or bolster visual branding. This addition can subtly enhance the document’s appearance while conveying pertinent details or reinforcing the document’s identity. It can include text such as “Confidential,” “Draft,” or a company logo. Here are the primary steps to insert text watermark to XLSX in C#.

Steps to Add Text Watermark to XLSX using C#

1. Set up your development environment to utilize GroupDocs.Watermark for .NET for adding a watermark to an XLSX file
2. Instantiate an object of the Watermarker class, providing the XLSX file path as an argument to its constructor
3. Create an instance of the TextWatermark class and tailor its properties according to your preferences for the watermark
4. Call the Watermarker.Add method to integrate the watermark into the XLSX file
5. Use the Watermarker.Save method to save the modified XLSX document onto your disk

The outlined steps and accompanying code exemplify a simple and smooth method for including watermarks in Excel documents using C#. This technique is versatile and applicable across different operating systems, such as Windows, macOS, and Linux, given that .NET is present. Once you’ve set up the preferred library and made necessary changes to file paths, integrating the provided code into your applications becomes an uncomplicated and effective task. Following code example explains how to add text watermark in XLSX using C#.

Code to Add Text Watermark to XLSX using C#

In conclusion, by following the steps outlined in this guide and utilizing the provided code snippets, you can seamlessly integrate watermarks into your Excel documents. This approach enhances document security, reinforces branding, and adds a professional touch to your spreadsheets. Well done! You’ve now mastered the art of how to add text watermark to XLSX in C#. Your proficiency in this skill opens up a world of possibilities for enhancing document security and visual appeal in your XLSX documents.

In a previous tutorial, we offered a comprehensive guide on adding a text watermark to PPTX files using C#. If you require further assistance, we recommend consulting our detailed tutorial on how to add text watermark to PPTX using C#.