Sign EXCEL File with Digital Signatures in .NET
Digitally sign and verify signatures in a EXCEL file and various other document formats within C#, ASP.NET, VB.NET & Xamarin applications. Implement Barcode, Text, Image, Metadata, QR Code, Form Field and stamp signatures in multiple forms by setting up customized text, font style, colors and adjusting advanced e-signatures properties in the document.
DownloadHow to Digitally Sign EXCEL Files in C#
Conholdate.Total for .NET supports signing EXCEL documents with digital signatures using a few lines of C# .NET code.
- Instantiate Signature with input document
- Instantiate DigitalSignOptions object with certificate details
- Call Sign method of Signature class and pass DigitalSignOptions to it
- Set options to view signed document as HTML
APIs Download & Installation Instructions
The following piece of code requires GroupDocs.Signature & GroupDocs.Viewer namespaces. You can get the respective files from the downloads or fetch the whole package from NuGet.
Sign your digtial documents with Barcode, Text, Image, Metadata, QR Code, Form Field and stamp signatures on operating systems such as Windows, Linux or macOS while using platforms such as Windows Azure, Mono and Xamarin.
Search Barcode Signatures in PDF File in C#
Search a wide variety of e-signature types from a digitally signed PDF document by setting up advanced signatures manipulation options and search filters to get a list of electronic signatures that match with the search criterion.
- Instantiate Signature with input document
- Instantiate DigitalSearchOptions object as per requirements and specified search options
- Call Search method of Signature class instance and pass DigitalSearchOptions to it
Sign, Verify, Update & Delete Signatures
Using Conholdate.com APIs – developers can implement different signatures customization options to add and view e-signatures from a wide range of popular document file formats.
Users can also search and verify some specific signatures from an already signed digital document; manipulate signatures based on size or textual content and delete any signatures from the same document.
What is EXCEL file format?
Excel is an immensely popular spreadsheet software program developed by Microsoft Corporation. Its file format, a binary file format, stores data in worksheets comprising cells organized into rows and columns. Excel files typically possess either a .xlsx or .xls file extension. Within these files, one can find an array of data types including numbers, text, formulas, charts, and images. The file format also supports a plethora of formatting options, ranging from font styles, colors, and borders to conditional formatting that permits users to apply distinct formatting based on specific criteria.
The multifaceted nature of Excel files renders them invaluable for various tasks, including financial analysis, budgeting, and data analysis. When faced with large amounts of data, Excel provides an efficient means of organization and manipulation. Additionally, it serves as a versatile tool for creating visually appealing charts and graphs that facilitate data visualization.
Apart from the standard Excel file format, several other formats are commonly employed alongside it. For instance, CSV (Comma Separated Values) files enable the seamless import and export of data between diverse software applications. XML (Extensible Markup Language) files, on the other hand, allow structured data storage and exchange.
Excel’s enduring popularity stems from its user-friendly interface and extensive range of features. Its functionalities empower users to perform complex calculations, generate reports, and automate repetitive tasks. Whether you’re a professional in finance, data analysis, or simply an individual looking to effectively organize information, Excel remains an indispensable tool for achieving these objectives.
LearnPopular Document Signature Options with .NET
(Portable Document Format)
(Word Processing Files)
(Spreadsheet Files)
(Microsoft Word Binary Format)
(Office 2007+ Word Document)
(Microsoft Word 2007 Marco File)
(Microsoft Word Template Files)
(Microsoft Word 2007+ Template File)
(Microsoft Word Template File )
(Microsoft Excel Spreadsheet (Legacy))
(Excel Binary Workbook)
(Macro-enabled Spreadsheet)
(Open XML Workbook)
(Excel Macro-Enabled Template)
(Excel Template)
(Microsoft PowerPoint 97-2003)
(Open XML presentation Format)
(PowerPoint Slide Show)
(PowerPoint Slide Show)
(Microsoft PowerPoint Template Presentation)
(Microsoft PowerPoint Template File)
(Corel Metafile Exchange Image)
(Bitmap Image File)
(Joint Photographic Expert Group Image)
(Graphical Interchange Format)
(Portable Network Graphic)
(Raster Web Image Format)
(Tagged Image File Format)
(Windows Metafile)
(Photoshop Document)
(Scalar Vector Graphics)
(OpenDocument Presentation Format)
(OpenDocument Standard Format)
(OpenDocument Spreadsheet)
(OpenDocument Spreadsheet Template)
(OpenDocument Text File Format)
(OpenDocument Standard Format)
(Digital Image Files)
