C++ API to Convert DOCX to PPSX or Online App

Export DOCX to PPSX within your C++ applications without using Microsoft Word® or PowerPoint

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Aspose.Total for C++ consists of powerful file automation APIs that allows to automate DOCX to PPSX conversion while using two of it’s APIs. Load your DOCX using Aspose.Words for C++ and convert it to HTML, then load the HTML via PowerPoint manipulation C++ API Aspose.Slides for C++ to create a new presentation, and save it as PPSX.

DOCX to PPSX Conversion on C++

  1. Open DOCX file using Document class reference
  2. Convert DOCX to HTML by using Save member function
  3. Initialize a new Presentation object
  4. Add an AutoShape in your slide, and add AddTextFrame in it
  5. Load the HTML content and write it in your Presentation file
  6. Save the document to PPSX format using Save method and set Ppsx as SaveFormat

Get Started with C++ File Format APIs

Install from command line as nuget install Aspose.Total.Cpp or via Package Manager Console of Visual Studio with Install-Package Aspose.Total.Cpp.

Alternatively, get the offline MSI installer or DLLs in a ZIP file from downloads .

// load DOCX file with an instance of Document
Document document = new Document("template.docx");
System::SharedPtr<Document> doc = System::MakeObject<Document>(u"sourceFile.docx");
// save the document in HTML file format
// load the desired the presentation
SharedPtr<Presentation> pres = MakeObject<Presentation>();
// access first slide
SharedPtr<ISlide> sld = pres->get_Slides()->idx_get(0);
// add an AutoShape of Rectangle type
SharedPtr<IAutoShape>  ashp = sld->get_Shapes()->AddAutoShape(ShapeType::Rectangle, 10, 10, 700, 500);
// reset default fill color
// add TextFrame to the Rectangle
ashp->AddTextFrame(u" ");
// access the text frame
SharedPtr<ITextFrame>  txtFrame = ashp->get_TextFrame();
// get Paragraphs collection
SharedPtr<Aspose::Slides::IParagraphCollection>ParaCollection = txtFrame->get_Paragraphs();
// clear all paragraphs in added text frame
// load the HTML file using stream reader
SharedPtr<System::IO::StreamReader>  tr = MakeObject<System::IO::StreamReader>(HtmlOutput.HTML);
// add text from HTML stream reader in text frame
// save presentation as Ppsx
pres->Save(output.ppsx, Aspose::Slides::Export::SaveFormat::Ppsx);                  

Free Online Converter for DOCX to PPSX

Load Password Protected DOCX Document via C++

Apart from document conversion, Aspose.Words for C++ API allows tons of document manipulation features for C++ developers. In case your Microsoft Word DOCX file format is password protected, you can still open it using the API. In order to load the encrypted document, you can use a special constructor overload, which accepts a LoadOptions object. This object contains the Password property, which specifies the password string.

// when loading password protected document, the password is passed to the document's constructor using a LoadOptions object.
auto options = MakeObject<LoadOptions>(u"docPassword");
// load the document from the local file system by filename:
SharedPtr<Document> doc = MakeObject<Document>(u"Encrypted.docx", options);

Add Comments in PPSX Document via C++

While saving DOCX as PPSX, you can also use Aspose.Slides for C++ to add further features in your PPSX document. For instance, you can add comments in your presentation. The presentation slide comment are associated with a particular author. The Presentation class holds the collection of authors in ICommentAuthorCollection that are responsible for adding slide comments. For each author, there is a collection of comments in ICommentCollection.

// instantiate Presentation class
SharedPtr<Presentation>pres = MakeObject<Presentation>();
// access first slide
SharedPtr<ILayoutSlide>layout = pres->get_LayoutSlides()->idx_get(0);
// add empty slide
// adding Author
SharedPtr<ICommentAuthor> author = pres->get_CommentAuthors()->AddAuthor(u"John Doe", u"MF");
// set position of comments
System::Drawing::PointF point = System::Drawing::PointF(0.2f, 0.2f);
// add slide comment for an author on slide 1
author->get_Comments()->AddComment(u"Hello John, this is a slide comment", pres->get_Slides()->idx_get(1), point, DateTime::get_Now());
// access ISlide 1
SharedPtr<ISlide> slide = pres->get_Slides()->idx_get(0);
// save presentation as Ppsx
pres->Save(output.ppsx, Aspose::Slides::Export::SaveFormat::Ppsx);  


  • How can I convert DOCX to PPSX Online?
    You can find the online app for DOCX conversion above. To start the conversion process, you can add the DOCX file either by dragging and dropping it or by clicking inside the white area to import the document. Once you have added the file, you can simply click the "Convert" button. After the DOCX to PPSX conversion is completed, you can download your converted file with just one click.
  • How long does it take to convert DOCX?
    The speed of this online converter depends largely on the size of the DOCX file being converted. Small DOCX files can be converted to PPSX in just a few seconds. If you are using the conversion code within a C++ application, the conversion speed will depend on how well you have optimized your application.
  • Is it safe to convert DOCX to PPSX using free Aspose.Total converter?
    Of course! After your DOCX file is converted to PPSX using our online converter, the download link for the PPSX file will be immediately available. We take the security and privacy of your uploaded files seriously and delete them 24 hours after the conversion process is complete. Rest assured, no one will have access to your files. Our conversion process, including DOCX conversion, is completely safe. We provide a free app for testing purposes so that you can verify the results before integrating the code.
  • What browser should I use to convert DOCX?
    For online DOCX conversion, you can use any modern browser, such as Google Chrome, Firefox, Opera, or Safari. However, if you're developing a desktop application, Aspose.Total DOCX Conversion API is recommended for smooth performance.

Explore DOCX Conversion Options with C++

Convert DOCX to CSV (Comma Seperated Values)
Convert DOCX to DIF (Data Interchange Format)
Convert DOCX to EXCEL (Spreadsheet File Formats)
Convert DOCX to FODS (OpenDocument Flat XML Spreadsheet)
Convert DOCX to JSON (JavaScript Object Notation File)
Convert DOCX to ODP (OpenDocument Presentation Format)
Convert DOCX to ODS (OpenDocument Spreadsheet)
Convert DOCX to POT (Microsoft PowerPoint Template Files)
Convert DOCX to POTM (Microsoft PowerPoint Template File)
Convert DOCX to POTX (Microsoft PowerPoint Template Presentation)
Convert DOCX to PPTX (Open XML presentation Format)
Convert DOCX to PPS (PowerPoint Slide Show)
Convert DOCX to PPSM (Macro-enabled Slide Show)
Convert DOCX to PPT (PowerPoint Presentation)
Convert DOCX to PPTM (Macro-enabled Presentation File)
Convert DOCX to PPTX (Open XML presentation Format)
Convert DOCX to SXC (StarOffice Calc Spreadsheet)
Convert DOCX to TSV (Tab-separated Values)
Convert DOCX to XLAM (Excel Macro-Enabled Add-In)
Convert DOCX to XLS (Microsoft Excel Binary Format)
Convert DOCX to XLSB (Excel Binary Workbook)
Convert DOCX to XLSM (Macro-enabled Spreadsheet)
Convert DOCX to XLSX (Open XML Workbook)
Convert DOCX to XLT (Excel 97 - 2003 Template)
Convert DOCX to XLTM (Excel Macro-Enabled Template)
Convert DOCX to XLTX (Excel Template)
Convert DOCX to ODP (OpenDocument Presentation Format)
Convert DOCX to POT (Microsoft PowerPoint Template Files)
Convert DOCX to POTM (Microsoft PowerPoint Template File)
Convert DOCX to POTX (Microsoft PowerPoint Template Presentation)
Convert DOCX to PPTX (Open XML presentation Format)
Convert DOCX to PPS (PowerPoint Slide Show)
Convert DOCX to PPSM (Macro-enabled Slide Show)
Convert DOCX to PPSX (PowerPoint Slide Show)
Convert DOCX to PPT (PowerPoint Presentation)
Convert DOCX to PPTM (Macro-enabled Presentation File)
Convert DOCX to PPTX (Open XML presentation Format)

What is DOCX File Format?

DOCX is a file format developed by Microsoft specifically for their word processing software, Microsoft Word. Its purpose is to provide a versatile and reliable format for creating and sharing documents across various platforms and devices. Widely adopted in business, academia, and personal communication, DOCX files offer numerous advantages.

One key advantage of the DOCX format is its seamless integration with other Microsoft Office applications like Excel and PowerPoint. This integration enables users to effortlessly incorporate tables, charts, and multimedia content into their documents, enhancing their visual appeal and overall effectiveness. Furthermore, DOCX files can be conveniently converted to other widely used formats such as PDF, HTML, and RTF, ensuring compatibility and portability across different systems.

The flexibility of the DOCX format extends to its support for advanced formatting options. Users can employ styles, themes, and templates to create professional-looking documents with consistent branding and formatting. This eliminates the need for intricate technical skills, empowering users to produce polished and visually appealing content effortlessly.

Another significant advantage of DOCX is its extensive compatibility with a wide range of software and devices, including popular operating systems such as Windows, macOS, and Linux. This compatibility ensures that documents can be seamlessly accessed, edited, and shared across diverse environments, fostering efficient collaboration and communication.

What is PPSX File Format?

The PPXS file format is a file extension used by Microsoft PowerPoint to save presentations in a compressed format. It is an extension of the PPTX file format, which is the default file format for PowerPoint presentations. The “S” in PPXS stands for “compressed”, indicating that the file has undergone compression to reduce its size.

The purpose of the PPXS format is to create smaller file sizes for PowerPoint presentations, making them easier to share, transfer, and store. The compression algorithm used in PPXS files helps to reduce the overall file size while maintaining the content and formatting of the presentation.

PPXS files can be created and edited using Microsoft PowerPoint or other software that supports the PowerPoint file format. They contain various multimedia elements such as text, images, videos, audio, and animations, just like regular PowerPoint presentations.

When opening a PPXS file, PowerPoint decompresses the file to restore it to its original PPTX format, allowing users to view and edit the presentation as they would with any other PowerPoint file.

The use of the PPXS format can be beneficial when working with large presentations or when there is a need to optimize file sizes for sharing or storage purposes. However, it’s worth noting that decompressing the PPXS file to its original PPTX format may require additional processing time.