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Easily convert your PPTX files online with no registration required. Convert your PPTX documents from Windows, Linux, or macOS. Simply drag and drop your file into the upload form, select the desired output format, and click the convert button. Once the conversion is complete, you can download your MHTML file.
Depending on the PPTX file's size and format, conversion may take a few moments, but most files convert quickly. With advanced features, you can convert password-protected documents and have the results sent to your email.
Convert your PPTX documents anytime, anywhere, on any device—including mobile. Use this conversion app online 24/7—free for basic conversions.
Check our videoPPTX is a file format used for creating and sharing presentations, developed by Microsoft as part of the Office Open XML specification. It is primarily used in Microsoft PowerPoint but is also supported by other presentation software like LibreOffice, Google Slides, and Apple Keynote. The format stores data in a compressed ZIP archive containing XML files for slides, media, and metadata, enabling advanced features like animations, transitions, and embedded multimedia.
MHTML (MIME HTML) is a web page archive format that combines HTML, images, scripts, and other resources into a single file for easy storage and sharing. It is supported by web browsers like Microsoft Edge and Internet Explorer, as well as tools such as email clients and web development software. The format uses MIME encoding to embed external resources directly into the file, enabling self-contained web pages with advanced features like CSS, JavaScript, and multimedia elements.
You can also convert PPTX into many other file formats. Please see the complete list below.