So many benefits to share your message, ideas as text embedded into the QR Code. This is easiest way to populate your information in electronic format to spread it over image, document, files, emails etc. The QR Code with text automatically parsed by all modern devices.
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Files with PPTX extension are presentation files created with popular Microsoft PowerPoint application. Unlike the previous version of presentation file format PPT which was binary, the PPTX format is based on the Microsoft PowerPoint open XML presentation file format. A presentation file is a collection of slides where each slide can comprise of text, images, formatting, animations, and other media.
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You can also sign other file formats. Please see the list below.