Share your contact details over VCard QR Code, format also known as VCF (Virtual Contact File) the standard for electronic business cards. vCards can be attached to e-mail messages or documents. This small QR Code image will keep all your contact information.
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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.