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Electronic signatures and digital certificates allow to sign XLS document with eSign application. Note, the signed XLS document keeps signatures as supported document elements, such as text, labels, stickers, images, hidden metadata information and digital certificates that verifies document content. The XLS document signed with digital certificates could be verified for any changes of its content. If there were some changes made to signed document then verification process will detect it and certificates will be not valid. To add various electronic signatures, you need to select one or more XLS documents, then in application select one from the existing signature templates like Text Stamps, Images, Handwritten signatures, Barcode, QR Code or digital certificate to sign, drag the signatures across the document pages. The documents are stored in a secure storage. You can upload it from any platform, mobile or another device, on any Windows, MacOs, Linux or Android platform. We support any browser and provide generation of any digital signatures, metadata signatures or certificates. No registration is required. All files are processed on our servers so no additional plug-ins or software installations.
XLS is the legacy binary spreadsheet format used by Microsoft Excel and other office suites. It supports worksheets, formulas, charts, macros, and extensive formatting. While largely superseded by the Open XML format (.xlsx), XLS files remain common for compatibility with older software. Provides a rich environment for data analysis, financial calculations, and reporting.
You can also sign other file formats. Please see the list below.