How to create a digital signature in excel 2007

A digital signature is an electronic, encrypted, stamp of authentication on digital information such as e-mail messages, or electronic documents. A signature confirms that the information originated from the signer and has not been altered.

 Steps you need to follow for creating an digital signature in your Microsoft excel 2007 .

1. Press the Microsoft Office Button , point to Prepare, and then click Add a Digital Signatures.

Don’t forget to save your Excel workbook in the Excel 2007workbook format, before you add signatures.

• In the Get a Digital ID dialog box, just select Create your own digital ID.

Note : The Get a Digital ID dialog box appears only if you attempt to digitally sign a document without a digital certificate.

• In the Create a Digital ID dialog box, type the following information to include in your digital ID:

• In the Name box, type your name.
  • In the E-mail address box, type your e-mail address.
  • In the Organization box, type the name of your organization or company.
  • In the Location box, type your geographic location.
  • Just click on the “Create” button
• In the next step a dialogue box would appear up in your screen, just need to write the purpose of signing this document.

Note:  It signifies that digital signature can be authenticated only on the computer in which it has been created.