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

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

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

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Add Digital Signature into Word Files Online using App

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

Digitally Sign Word File via C++

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

C++ Code : Add Digital Signature in Word Files

 
 

Develop E-Signature Application using C++

Need to develop C++ script or utility app to easily sign multiple Word 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 Word format.

Word 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 Word file using C++. Use Aspose Word 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 Word 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 Word document compression.
  • How can I sign multiple Word files?
    Start by uploading one or more files you want to sign. You can either drag and drop your Word 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 Word 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 Powerpoint
Sign PPT (PowerPoint Presentation)
Sign PPTX (Open XML presentation Format)
Sign Word

What is WORD File Format?

Microsoft Word is a widely used word processing software that provides various file formats for saving and sharing documents. Understanding the different file formats in Word is important for compatibility, accessibility, and preserving formatting.

The default file format in Word is DOC (Word Document). DOC files are compatible with older versions of Word but may have limitations in compatibility with other software applications. However, with the introduction of newer versions, the DOCX (Word Open XML Document) format has gained popularity. DOCX offers advantages such as smaller file sizes, improved data recovery, and enhanced compatibility with other programs.

In addition to DOC and DOCX, Word supports other file formats like PDF (Portable Document Format). PDF files are widely used for sharing and publishing documents because they retain the formatting, layout, and fonts of the original document, ensuring consistent viewing across different devices and platforms.

Word also allows saving documents in formats like RTF (Rich Text Format) and TXT (Plain Text). RTF files maintain basic formatting and are compatible with various word processing applications. TXT files store plain text without any formatting and are commonly used for transferring text between different software programs.

For compatibility with open-source software and online platforms, Word supports formats like ODT (OpenDocument Text) and HTML (Hypertext Markup Language). ODT files can be used with software like LibreOffice and Google Docs, while HTML files allow documents to be displayed in web browsers.