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Sign PPSX File with Digital Signatures in .NET

Digitally sign and verify signatures in a PPSX 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.

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How to Digitally Sign PPSX Files in C#

Conholdate.Total for .NET supports signing PPSX 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 PPSX file format?

PPSX is a Microsoft PowerPoint Open XML Presentation file type. It is similar to PPTX, but differs in that it contains a single slide that is meant to be viewed as a slideshow. PPSX files are generally used when sharing a presentation with a large group of people, or when creating a presentation that is meant to be played on a projector or TV. The PPSX format is similar to a PPTX file but contains a slightly different format structure than a PPTX file.

The PPSX file format is based on XML, making it a more versatile format than the PPTX format. It is compatible with many versions of Microsoft PowerPoint, as well as Apple’s Keynote software. PPSX files can be opened on any platform that supports the Open XML Presentation format, and can be viewed on computers, TVs, or projectors.

PPSX files are a great option for those who want to share a presentation with a wide audience, such as those attending a webinar or virtual meeting. Since the PPSX format is based on XML, it can also be used for easy editing and versioning of presentations.

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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 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 DOTM Files

(Microsoft Word 2007+ Template File)

Sign DOTX Files

(Microsoft Word Template File )

Sign XLS Files

(Microsoft Excel Spreadsheet (Legacy))

Sign XLSB Files

(Excel Binary Workbook)

Sign XLSM Files

(Macro-enabled Spreadsheet)

Sign XLSX Files

(Open XML Workbook)

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 POTX Files

(Microsoft PowerPoint Template Presentation)

Sign POTM Files

(Microsoft PowerPoint Template File)

Sign CMX Files

(Corel Metafile Exchange Image)

Sign BMP Files

(Bitmap Image File)

Sign JPEG Files

(Joint Photographic Expert Group Image)

Sign GIF Files

(Graphical Interchange Format)

Sign PNG Files

(Portable Network Graphic)

Sign WEBP Files

(Raster Web Image Format)

Sign TIFF Files

(Tagged Image File Format)

Sign WMF Files

(Windows Metafile)

Sign PSD Files

(Photoshop Document)

Sign SVG Files

(Scalar Vector Graphics)

Sign ODP Files

(OpenDocument Presentation Format)

Sign OTP Files

(OpenDocument Standard Format)

Sign ODS Files

(OpenDocument Spreadsheet)

Sign OTS Files

(OpenDocument Spreadsheet Template)

Sign ODT Files

(OpenDocument Text File Format)

Sign OTT Files

(OpenDocument Standard Format)

Sign IMAGE Files

(Digital Image Files)

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