MS-Excel / General Formatting

Signing a Workbook

Excel 2007 supports two types of digital signatures: a visible signature and an invisible signature.

To add a visible digital signature, choose Insert> Text> Signature Line> Microsoft Office Signature Line. Excel displays its Signature Setup dialog box, and you are prompted for the information for the signature.

Signature Setup Dialog Box

After you add the signature box, double-click it to display the Sign dialog box, where you actually sign the document either by typing your name or uploading a scanned image of your signature.

A document with a visible digital signature.

Digital Signature

To add an invisible digital signature, choose Office> Prepare> Add a Digital Signature.

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