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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Docx is well-known format for Microsoft Word documents. Introduced from 2007 with the release of Microsoft Office 2007, the structure of this new Document format was changed from plain binary to a combination of XML and binary files. Docx files can be opened with Word 2007 and lateral versions but not with the earlier versions of MS Word which support DOC file extensions.
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You can also sign other file formats. Please see the list below.