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Remove Signatures from XLTX File in C# .NET

.NET eSignatures API to remove barcode, text, image, QR-code or digital signatures from XLTX files in any type of C# .NET, Mono or Xamarin applications. Using advance .NET digital signature library – delete electronic signatures from already signed PDF, Microsoft Word documents, Excel worksheets, PowerPoint slides and a wide range of image file formats without using any external software or tool.

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Remove Digital Signatures from XLTX in C#

Search and remove all or certain types of e-signatures from digitally secured and signed XLTX files at once using Conholdate.Total for .NET APIs.

  • Instantiate Signature with input (XLTX) document
  • Instantiate DigitalSearchOptions object with needed properties
  • Call Search method and get list of DigitalSignatures
  • Select digital signatures to remove from (XLTX) document
  • Call Signature object Delete method and pass sigantures to it

Download & Install .NET Signature API

Deleting signatures from digitally signed documents requires GroupDocs.Signature namespace. Proceed to download the respective files or fetch the whole package directly from NuGet.

Remove any type of Barcode, Text, Image, or QR Code signatures from documents using operating systems such as Windows, Linux or macOS while working on Windows Azure, Mono and Xamarin platforms.


Remove Barcode Signatures from XLTX in C#

The .NET signature API supports manipulating and removing barcode and QR-Code signatures from XLTX documents in .NET applications using a few lines of C# code. Remove one or several digital signatures of different types from signed documents at the same time.

  • Instantiate Signature with input (XLTX) document
  • Instantiate BarcodeSearchOptions object with needed properties
  • Call Search method and get list of BarcodeSignature
  • Select barcode signatures to remove from (XLTX) document
  • Call Signature object Delete method and pass sigantures to it

XLTX Document Information Extraction

The documents information extraction API not only allows getting the basic information about the source document file (XLTX) but it also supports extracting some valuable document information such as file type, size, number of pages, height and width using stream or a file stored on local disk.

The .NET document signature library offers a set of useful features to cancel digital signature processes (sign, verify, search) at any stage using a few simple steps.


Remove Text & Image Signatures from XLTX

Deleting text or image signatures from digitally signed XLTX files in C# .NET is easier with Conholdate.Total for .NET APIs. Sign digital documents with custom signatures using different colors, font, padding and styling options.

  • Instantiate Signature with input (XLTX) document
  • Instantiate TextSearchOptions object with needed properties
  • Call Search method and get list of TextSignatures
  • Select text signatures to remove from (XLTX) document
  • Call Signature object Delete method and pass sigantures to it

Load & Sign Remotely Located Documents

The document eSign API enables you to render remotely located documents from various cloud document storage sources such as stream, local disk, URL, FTP, Amazon S3, and Azure Blob storage. The document preview feature enables you to get the image representation of the document pages that can be useful to preview and adjust the position of digital signature inside the document.

Get the document preview of whole document or some specific page numbers in PNG, JPG or BMP image formats.


What is XLTX file format?

The Xltx file format is a Microsoft Excel spreadsheet file format which is used to store and exchange data. It is a binary file format that is written in the Microsoft Office Open XML format and is a part of the Office Open XML (OOXML). It is a file format that is a part of the ISO/IEC standard 29500. Xltx is essentially an Excel workbook that is saved in the Open XML format for maximum compatibility and stability. This format makes it easier for users to open, view and share their spreadsheets with others. The Xltx format provides the same functionality and features found in the standard .xlsx format, but with some advantages. The advantages of using the Xltx format include improved security, faster load times, smaller file sizes, and improved compatibility with other programs. Xltx files are also more reliable when transferring data between different versions of Excel. Additionally, Xltx files are less vulnerable to viruses and corruptions. Overall, the Xltx file format is a great choice for users who need to store and exchange data in Excel spreadsheets. It offers all of the same features found in the standard .xlsx format, with some added security and compatibility benefits.

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Popular Document Signature Options with .NET

Sign PDF Files

(Portable Document Format)

Sign WORD Files

(Word Processing Files)

Sign EXCEL Files

(Spreadsheet Files)

Sign IMAGE Files

(Digital Image Files)

Sign DOC Files

(Microsoft Word Binary Format)

Sign DOCX Files

(Office 2007+ Word Document)

Sign DOCM Files

(Microsoft Word 2007 Marco File)

Sign DOT Files

(Microsoft Word Template Files)

Sign DOTX Files

(Microsoft Word Template File )

Sign DOTM Files

(Microsoft Word 2007+ Template File)

Sign XLS Files

(Microsoft Excel Spreadsheet (Legacy))

Sign XLSX Files

(Open XML Workbook)

Sign XLSB Files

(Excel Binary Workbook)

Sign XLSM Files

(Macro-enabled Spreadsheet)

Sign XLT Files

(Excel 97 - 2003 Template)

Sign XLTM Files

(Excel Macro-Enabled Template)

Sign XLTX Files

(Excel Template)

Sign PPT Files

(Microsoft PowerPoint 97-2003)

Sign PPTX Files

(Open XML presentation Format)

Sign PPS Files

(PowerPoint Slide Show)

Sign PPSX Files

(PowerPoint Slide Show)

Sign BMP Files

(Bitmap Image File)

Sign GIF Files

(Graphical Interchange Format)

Sign JPEG Files

(Joint Photographic Expert Group Image)

Sign PNG Files

(Portable Network Graphic)

Sign POTM Files

(Microsoft PowerPoint Template File)

Sign POTX Files

(Microsoft PowerPoint Template Presentation)

Sign PPTM Files

(Macro-enabled Presentation File)

Sign PPSM Files

(Macro-enabled Slide Show)

Sign JPG Files

(Joint Photographic Expert Group Image)

Sign TIFF Files

(Tagged Image File Format)

Sign WEBP Files

(Raster Web Image Format)

Sign PSD Files

(Photoshop Document)

Sign SVG Files

(Scalar Vector Graphics)

Sign WMF Files

(Windows Metafile)

Sign CDR Files

(CorelDraw® Graphics Format)

Sign CMX Files

(Corel Metafile Exchange Image)

Sign DJVU Files

(Graphics File Format)

Sign ODP Files

(OpenDocument Presentation Format)

Sign OTP Files

(OpenDocument Standard Format)

Sign OTS Files

(OpenDocument Spreadsheet Template)

Sign ODS Files

(OpenDocument Spreadsheet)

Sign OTT Files

(OpenDocument Standard Format)

Sign ODT Files

(OpenDocument Text File Format)

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