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PPTX is the modern file format used by Microsoft PowerPoint, based on the Office Open XML standard, for creating presentation slides. It supports higher graphics quality, richer multimedia features (such as video, audio, and animations), and more complex layout and design elements. PPTX files are widely used in education, business, and training for creating high-quality presentations. Compared to the older PPT format, PPTX offers better compatibility and enhanced security, making it suitable for various applications.

• Developed by: Microsoft
• Initial Release: 2007
• Useful links:
https://en.wikipedia.org/wiki/Microsoft_PowerPoint https://support.microsoft.com/en-us/office/file-formats-supported-by-powerpoint-d6a9d84f-7c5e-4bfe-bea0-5ff16cb16e59 https://www.libreoffice.org/discover/impress/

DOC is the traditional document format used by Microsoft Word for creating and editing documents, widely used for text processing, formatting, and printing. It supports text, tables, images, charts, and other content types, making it one of the standard formats for office documents. Compared to the modern DOCX format, DOC files use a binary structure and are compatible with earlier versions of Microsoft Word and other compatible software. Although DOC files have limited compatibility and functionality compared to newer formats, they are still widely used in many legacy systems and applications. It is suitable for creating high-quality documents, reports, contracts, and various types of files, especially in scenarios where sharing and editing across different platforms is required.

• Developed by: Microsoft
• Initial Release: 1983
• Useful links:
https://en.wikipedia.org/wiki/Microsoft_Word https://www.microsoft.com/word https://www.libreoffice.org/discover/writer/ https://docs.google.com/