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Using Online QR Code Generator to compose email, you can easily compose full email details like Address, Subject and Body embedded into the QR Code. The generated QR Code could be placed on document page or saved on image.
The QR Code generator tool lets you create a different codes that you can download and use to add to the business contracts and official documents. Any QR Code contains unique textual information that confirms the identity of the signer or authorizes the business document. QR verification can take place automatically by reading the contents of the code embedded data. These signatures could be scanned automatically. The QR Code allows to keep over 2 Kbytes of data. The GroupDocs Generator tool allows you to generate electronic signatures from any browser for free without registration. GroupDocs will be happy to help you with the QR Code generation and their usage on your xlsx documents.
XLSX is well-known format for Microsoft Excel documents that was introduced by Microsoft with the release of Microsoft Office 2007. Based on structure organized according to the Open Packaging Conventions as outlined in Part 2 of the OOXML standard ECMA-376, the new format is a zip package that contains a number of XML files. The underlying structure and files can be examined by simply unzipping the .xlsx file.
ReadMoreYou can also sign other file formats. Please see the list below.