How to Insert an Electronic Signature in Word 2003

Updated March 23, 2017

In Microsoft Word 2003, you can insert your own electronic signature. This can be useful if you need to sign a letter, form or other important document. However, before you create the electronic signature, you first have to get a digital certificate. Microsoft Office products use this technology to allow you to sign a file. You must obtain a digital certificate to verify that your signature is your own. You can get the digital certificate from a commercial certification authority, such as VeriSign, Inc., or from an IT professional.

Apply for a digital certificate from a commercial certification authority. You can learn more about various authorities that work with Microsoft Word under Resources.

Obtain the digital certificate and install it on your computer. You will receive instructions on how to install it. After it is installed, you can use the certificate to begin signing your Microsoft Word documents.

Open a Microsoft Word 2003 document in which you want to insert an electronic signature.

Go to the "Tool" menu. Click "Options." Click the "Security" tab.

Click "Digital Signatures." Click "Add." Select the certificate you want to add. Click "OK."


When you electronically sign a file, you are certifying that the information in the document is valid and that it has not been modified since it was signed.

Things You'll Need

  • Digital certificate
Cite this Article A tool to create a citation to reference this article Cite this Article

About the Author

Amy Dombrower is a journalist and freelance writer living in Chicago. She worked in the newspaper industry for three years and enjoys writing about technology, health, paper crafts and life improvement. Some of her passions are graphic design, movies, music and fitness. Dombrower earned her Bachelor of Arts in journalism from The University of North Carolina at Chapel Hill.