Convert multiple DOC to DOCX in C++

High-speed C++ library to convert several DOC into DOCX

Use C++ to obtain maximum DOC into DOCX merge speed. This is a professional solution to join several DOC into a single DOCX using C++. Try it online for free!

Convert DOC to one DOCX in C++

C++ library allows C++ developers to convert DOC to DOCX with a few lines of code. DOC conversion engine analyses the original DOC layout and structure, and exports the combined content to DOCX format.

Use C++ to convert DOC to DOCX with maximum flexibility and speed. Run online live demo and check the highest DOCX quality right in a browser. DOC Conversion API supports a bunch of useful options.

Merge DOC to DOCX

To convert several DOC to DOCX just use C++ library that handles all low-level details.

Convert multiple DOC and save the result as a single DOCX. If you develop code in C++, this will be simpler than it sounds. See C++ example that iterates through documents and converts them to DOCX:

Code example in C++ to combine multiple DOC to DOCX
Input files
Upload a file you want to merge
Run code
Upload a file you want to merge
Output format
Select the target format from the list
using namespace Aspose::Words;

std::vector<String> fileNames { u"Input1.doc", u"Input2.doc" };

auto output = MakeObject<Document>();
// Remove all content from the destination document before appending.
output->RemoveAllChildren();

for (const auto& fileName : fileNames)
{
    auto input = MakeObject<Document>(fileName);
    // Append the source document to the end of the destination document.
    output->AppendDocument(input, ImportFormatMode::KeepSourceFormatting);
}

output->Save(u"Output.docx");
Run code

How to convert several DOC into DOCX

  1. Install 'Aspose.Words for C++'.
  2. Add a library reference (import the library) to your C++ project.
  3. Open the source DOC file in C++.
  4. Convert several DOC files into DOCX in a few seconds.
  5. Call the 'AppendDocument()' method, passing an output filename with DOCX extension.
  6. Get the result of conversion DOC into DOCX.

C++ library to convert several DOC into DOCX

There are three options to install Aspose.Words 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.

Other Supported DOC Merge operations

You can merge DOC to many other file formats:

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