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

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

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

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Add Digital Signature into ODT Files Online using App

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

Digitally Sign ODT File via C++

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

C++ Code : Add Digital Signature in ODT Files

 
 

Develop E-Signature Application using C++

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

ODT 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 ODT file using C++. Use Aspose ODT 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 ODT 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 ODT document compression.
  • How can I sign multiple ODT files?
    Start by uploading one or more files you want to sign. You can either drag and drop your ODT 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 ODT 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 ODT File Format?

ODT is a file format used for storing documents in the Open Document Format (ODF). ODT stands for Open Document Text. It is the default file format for word processing documents created by applications such as LibreOffice, OpenOffice, and Apache OpenOffice.

ODT files are based on XML, which is a markup language used for organizing and structuring data. They are designed to be an open and interoperable format, allowing users to create, edit, and share documents across different software applications and platforms.

The ODT format supports a wide range of features and formatting options commonly found in word processing documents. It includes support for text styling, paragraphs, tables, images, hyperlinks, headers and footers, footnotes, and more. ODT files can also contain embedded objects and multimedia elements.

One of the key advantages of the ODT format is its compatibility with different software applications. Users can create an ODT document in one word processing application and open it in another without losing formatting or content. This promotes collaboration and ensures that documents can be accessed and edited by users who may be using different software.

ODT files can be easily converted to other popular document formats, such as Microsoft Word’s DOCX format or PDF, for wider compatibility and sharing purposes. Additionally, the ODT format is designed to be future-proof, allowing for long-term preservation and accessibility of documents.