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How to Add a Digital Signature in Word 2007

Microsoft Office

How to Add a Digital Signature in Word 2007

To ensure the integrity of document, you can consider adding a digital signature to Word documents. The digital signature will be invisible and will not allow to edit the document making it locked. The locked document can be unlocked, but doing this will make the digital signature invalid. So this process ensures that your document is not tampered with.

To add a digital signature, click on the Office button on the top left corner of word and select Prepare. Inside Prepare menu, select Add a Digital signature option.

Digital Signature

Once the option is selected, you get a warning and here you can either get digital signature from 3rd party or use the default one from Microsoft. The default one does not provide any warranty as it has legal enforceability in different countries.


Click on OK to select the default signature. If the document is not saved, then it prompts to save the document. Next you can add the purpose of signing the document.

Digital Signature

Click Sign button and the signature will be created. You can view the digital signature from the same menu (Prepare-> View Digital Signatures). This will be available as a sidebar.

View Signature

View Signature

If any edits are made to the document, then the signature will become invalid.

Nirmal is a Technology Blogger and a Microsoft MVP in Windows. He can be contacted at You can find Nirmal on , and .



  1. Madhur Kapoor

    October 11, 2008 at 10:51 am

    I never knew this feature was in Word 2007

  2. Pavan Kumar

    October 11, 2008 at 10:45 pm

    That’s a very nice share…. I never knew about that before…

  3. TechnoSamrat

    October 11, 2008 at 11:46 pm

    Is there a way to add a digitla signature for older versions of office?? coz I use an older version…

  4. arti

    February 18, 2009 at 2:31 pm

    Thanks..good article

  5. Ishita

    March 17, 2009 at 2:04 am

    I followed the above steps and got a “Smart Card” error. After hitting “Sign” in the second last screenshot, I got a smart card error “Your signature could not be added to the document. If your signature requires a smart card, ensure that your card reader is installed correctly”. How do I know if my signature requires a smart card or no?

  6. Ishita

    March 17, 2009 at 2:07 am

    After hitting sign in the second last screenshot, I received a Smart Card error “Your signature could not be added to the document. If your signature requires a smart card, ensure that your card reader is installed correctly”. How do I know if I need a smart card or no?

  7. Race - Digital signature

    April 2, 2009 at 6:08 pm

    Yes, digital signature technology is very safe and easy i also used it and i am 100% satisfy with digital signature technology. It is very much advance and safe.

  8. Nick_AWM

    June 26, 2009 at 1:11 am

    I’m experimenting with digital signatures, but they’re only useful for my purposes if I can format the text that appears below the signature line – that is, the signer’s name/title. I need to include the title “CFP®”, but the ® needs to be in superscript. Is this possible? If so, how’s it done?

  9. Jon

    September 3, 2009 at 8:15 am

    Just to share what I have discovered:

    This feature is also available in Word 2003: Tools -> Options -> Security -> Digital Signatures.

    However, 2003 signatures do not allow you to enter a “purpose” for the signature.

    Further, a document signed in Word 2003 can be further signed in Word 2007 with no problems when read again in Word 2003 (i.e, both signatures are signed 2003-style).

    However, if a document is initially signed in Word 2007, the signature cannot be seen in 2003 (because it is signed 2007-style).

  10. Document Marking

    December 9, 2009 at 10:30 am

    There is a nifty program that is an add-in to Word that automates document identifcation and marking as well as adding graphic signatures. Check out It completely eliminates the need for rubber stamps for document marking.

  11. Medisoft

    August 5, 2010 at 3:17 am

    I was looking for how to add electronic handwritten signatures to Word.

    • Gale

      July 20, 2011 at 8:53 pm

      Scan your signature and save it as a jpg, gif, etc.

      You may need to crop it.

      Insert signature into Word as a “picture”.

      2 or 3 steps are all you need to do.

  12. surendra

    June 4, 2011 at 11:16 am

    its very easy way to add digital ms office 2007,,,,,,,,,,,,,,,,,,,thanks

  13. Dadahayath

    October 18, 2011 at 2:19 pm

    Thank you its working

  14. rajit garg

    October 29, 2011 at 5:19 pm

    yes it is very easy and nice technology and is also useful.

  15. Blusun

    October 4, 2012 at 6:45 am

    Thanks for the steps. I have a question. I believe that the signature will become invalid when the certificate used to sign expires. With Code Signing there is a concept of Time Stamping which ensures the sign is valid even after the certificate expires. I was wondering if while adding digital signature it can be time stamped so the signature is valid life long. That I think is required as documents most probably get archived and are there to stay for sure past the expiry date of the actual certificate. Any suggestions?

  16. Pingback: Insert Digital Signature |

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