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Digitally Sign DOC File Online via e-Signature App or using C++

Develop powerful C++ based DOC document signing applications. Freely add digital signature into various documents including DOC files online via app with instant download.

DOC Signature via Python DOC Signature via C# .NET DOC Signature via Java DOC Signature in Android Apps

Add Digital Signature into DOC Files Online using App

  1. Upload DOC files to sign digitally
  2. Add text for signature or upload signature image
  3. Click the “Sign” button
  4. Download the signed DOC file

Digitally Sign DOC File via C++

  1. Load pfx certificate using CertificateHolder
  2. Use the DigitalSignatureUtil::Sign to sign the DOC document
 

C++ Code : Add Digital Signature in DOC Files

 
 

Develop E-Signature Application using C++

Need to develop C++ script or utility app to easily sign multiple DOC files digitally? With Aspose.Words for C++ , child API of Aspose.Total for C++ , any C++ developer can integrate the above API code to program eSignature app for signing across documents. Powerful C++ library for document signing, supports many popular formats including DOC format.

DOC eSignature library for C++

There are three options to install Aspose.Words for C++ or Aspose.Total for C++ to your developer environment. Please choose one that resembles your needs and follow the step-by-step instructions:

System Requirements

You can use this C++ library to develop software on Microsoft Windows, Linux and macOS operating systems:

  • GCC >= 6.3.0 and Clang >= 3.9.1 are required for Linux
  • Xcode >= 12.5.1, Clang and libc++ are required for macOS



If you develop software for Linux or macOS, please check information on additional library dependencies (fontconfig and mesa-glu open-source packages) in Product Documentation .

FAQs

  • Can I use above C++ code in my application?
    Yes, you are welcome to download this code. One can easily develop a professional solution to add digital signature in DOC file using C++. Use Aspose DOC eSignature API to develop high-level, platform independent software in C++.
  • Is this document digital signing App work only on Windows?
    You have the flexibility to initiate document signing from any device, irrespective of the operating system it runs on, whether it be Windows, Linux, Mac OS, or Android. All that's required is a contemporary web browser and an active internet connection.
  • Is it safe to use the online app to sign multiple DOC documents?
    Of course! The output files generated through our service will be securely and automatically removed from our servers within a 24-hour timeframe. As a result, the download links associated with these files will cease to be functional after this period.
  • What browser should to use App?
    You can use any modern web browser like Google Chrome, Firefox, Opera, or Safari for online DOC document compression.
  • How can I sign multiple DOC files?
    Start by uploading one or more files you want to sign. You can either drag and drop your DOC files or simply click inside the white area. Afterward, click the 'Sign' button, and our online esigning app will quickly process the uploaded files.
  • How long does it take to sign the DOC files?
    This e-signature application operates quickly, It may take a few seconds to upload the files and sign them.

Explore File eSignature Options with C++

Sign DOC (Microsoft Word Binary Format)
Sign DOCX (Office 2007+ Word Document)
Sign ODP (OpenDocument Presentation Format)
Sign ODT (OpenDocument Text File Format)
Sign PDF (Portable Document Format)
Sign PPT (PowerPoint Presentation)
Sign PPTX (Open XML presentation Format)

What is DOC File Format?

The Microsoft Word Binary File Format (DOC) is a proprietary document file format employed by Microsoft Office Word. It represents a document structure that is independent of any specific computer architecture or operating system. The DOC format serves as a container file, utilizing a binary format to store various types of data, including formatted text, images, charts, and more. The binary nature of the DOC format renders it non-human-readable, but there exist several programs, such as Microsoft Word and LibreOffice, that can both read from and write to DOC files.

The DOC format was initially introduced in Word for Windows 2.0 back in 1987. It has undergone several revisions since then, with the most recent iteration being the Office Open XML format introduced in Office 2007. One of the key advantages of the DOC format lies in its compatibility with Microsoft Word, one of the most widely utilized word processing applications globally. This compatibility allows users to create and modify documents using Microsoft Word and conveniently share them with others who also utilize the application. Furthermore, many other word processing applications possess the capability to read from and write to the DOC format, making it a versatile choice for document sharing purposes.

The widespread adoption of the DOC format stems from its integration with Microsoft Word, providing users with a robust and feature-rich environment for creating and managing documents. The format’s flexibility extends beyond Microsoft Word, enabling users to work with DOC files using alternative word processing software. This versatility ensures seamless document collaboration and interchangeability among users, regardless of their chosen word processing application.