Digitally Sign POTX Files in C# .NET, Xamarin & Mono

Add Digital Signatures to POTX in C#

Conholdate.Total for .NET supports signing POTX documents with digital signatures using a few lines of C# .NET code.

Instantiate Signature with input (POTX) document
Instantiate DigitalSignOptions object with certificate details & password
Call Sign method of Signature class and pass DigitalSignOptions to it

Download Digital Signature API

Signing digital documents requires GroupDocs.Signature namespace. You can download the respective files or fetch the whole package directly 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.

Add Image Signatures to POTX in C# .NET

Programmatically add digital image signatures to POTX documents in C# .NET applications. Create custom images, company logos, names, stamps or icons with advanced affects using the electronic signature API.

Instantiate Signature with input (POTX) document
Instantiate ImageSignOptions object as required and specify image signature options
Call Sign method of Signature class and pass ImageSignOptions to it

POTX Document Information Extraction

The documents information extraction API not only allows getting the basic information about the source document file (POTX) but it also supports extracting some valuable document information such as file type, file size, pages count, page height and width etc.

Add custom digital signatures to document formats on different operating systems such as Windows, Linux or macOS while using platforms such as Windows Azure, Mono and Xamarin.

Add Barcode Signatures to POTX in C# .NET

Digitally sign POTX documents with barcode or QR-code signatures in any type of .NET application. Add 60+ popular barcode types (machine-readable form) as electronic signatures to a wide range of digital documents and image formats.

Instantiate Signature with input (POTX) document
Instantiate BarcodeSignOptions object as per requirementand specify barcode signature type
Specify barcode signature type and set Text property value
Call Sign method of Signature class and pass BarcodeSignOptions 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 POTX file format?

POTX is a file format created by Microsoft to store PowerPoint templates. This file format was introduced in Microsoft Office 2007, and stores the same elements as POT file formats, but with advanced features, such as support for newer features, such as themes, backgrounds, and layouts. POTX files are stored in a ZIP-based format, allowing for efficient and robust file storage. User data and customizations are stored in the file, making it easier to move between different versions of PowerPoint, or to share templates between users. Because the format is a standard ZIP-based format, it can also be opened and edited with a variety of third-party tools. POTX files can be used to create, customize, and store PowerPoint presentations, allowing users to quickly and easily generate presentations in their desired form. The template format can also be edited with other Office applications, such as Word, Excel, and Outlook.

Overall, the POTX file format offers a quick, easy, and efficient way to store and share PowerPoint presentation templates, making it a popular choice for many users.

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Digitally Sign POTX in C# .NET