Click on the "Calculation Options" button.
As this data is part of the file content, the digital signature is then no longer valid because of this change in the content.īefore signing, you need to switch the calculation mode to Manual. When Excel opens a workbook that was last recalculated in a different version (either a different product version or an update that introduces changes in the recalculation behavior), it updates the internal recalculation data to the actual version. This happens when the file is opened with an Excel version that differs from the one used during the signature process. Ī digitally signed Excel file appears with an invalid signature warning. Warning "This document contains invalid signatures" when opening an Excel file ProductĭocuSign Signature Appliance with Excel (2007, 2010, 20).
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