Using Signed Macros with MS Office

Signing excel apps via a digital certificate can help guarantee that no one has tampered with the code and that what you are executing is what was originally written by the original signer. Further, it helps lock down your security policy. By only running signed code and only importing certificates from people you trust, you can prevent a situation where an an excel document can hijack your whole computer (because it can)

If you rely on VBA solutions within your organization, make sure you sign and then import certificates for all projects.

Sign with Certificate

When creating a VBA project that uses Macros, you can easily sign the project with a self signed certificate using the following steps:

  1. If you don’t already have one, you’ll need to create a self-signed certificate on your computer. If you do have one, you can skip to step 3. If not, go to the Start Menu > All Programs > Microsoft Office > Microsoft Office Tools > and open Digital Certificate for VBA Projects
    • 1
  2. Enter a name for your certificate and Click OK
    • 2
  3. Open up your VBA project in Excel, Word, Outlook (etc) and hit Alt + F11 to open up the VBA Project and go to Tools > Digital Signature
    • 3
  4. On the Digital Signature Menu, Click “Choose”
    • 4
  5. You should see the Certificate we just created. Select that and hit OK
    • 5

Import Certificate From Someone Else

When the file is opened on another machine, it won’t recognize the original certificate which only exists on the original author’s machine. Using the following steps we can import the certificate on the client’s machine.

Disclaimer: You should only perform these steps when you are absolutely certain that the file has originated from someone you trust to execute any commands on your machine without your knowledge.

  1. Open the Excel File with Macros and click “Options”
    • 1
  2. Click “Show Signature Details”
    • 2
  3. Click “View Certificate”
    • 3
  4. Click “Install Certificate”
    • 4
  5. Install Wizard Will Open
    • 5
  6. Select “Place all certificates in the following store” and Click “Browse”
    • 6
  7. Select “Trusted Root Certification Authorities”
    • 7
  8. Click OK / Next several times
    • 8
  9. Accept the Security Warning to Install the Certificate
    • 9
  10. On the original Dialog, Select “Trust all documents from this publisher” and Click OK
    • 10

Manage Certificates

If you want to go in and make changes to your certificates directly, you can view and edit all of the certs on your current system with the following steps.

  1. Hit Win + R to open up the Run Dialog
  2. Type “certmgr.msc” and Click OK
    • 1
  3. You should see the certificate we added in the Personal/Certificates folder
    • 2

Alternatively: You can also load your Computer’s Management Console by going to Start > Run mmc and then going to File > Add Snap In and then selecting Certificates.

And that’s it! Adding certificates to your projects is a great way to keep security in mind while providing some sort of automation within Office and other products.


  1. The development of artificial intelligence (AI) has propelled more programming architects, information scientists, and different experts to investigate the plausibility of a vocation in machine learning. Notwithstanding, a few newcomers will in general spotlight a lot on hypothesis and insufficient on commonsense application. machine learning projects for final year In case you will succeed, you have to begin building machine learning projects in the near future.

    Projects assist you with improving your applied ML skills rapidly while allowing you to investigate an intriguing point. Furthermore, you can include projects into your portfolio, making it simpler to get a vocation, discover cool profession openings, and Final Year Project Centers in Chennai even arrange a more significant compensation.

    Data analytics is the study of dissecting crude data so as to make decisions about that data. Data analytics advances and procedures are generally utilized in business ventures to empower associations to settle on progressively Python Training in Chennai educated business choices. In the present worldwide commercial center, it isn't sufficient to assemble data and do the math; you should realize how to apply that data to genuine situations such that will affect conduct. In the program you will initially gain proficiency with the specialized skills, including R and Python dialects most usually utilized in data analytics programming and usage; Python Training in Chennai at that point center around the commonsense application, in view of genuine business issues in a scope of industry segments, for example, wellbeing, promoting and account.

  2. Without fail, your writing style is top professional; even your website also looks amazing thank you for posting. microsoft office 2016 product key

  3. I definitely enjoying every little bit of it. It is a great website and nice share. I want to thank you. Good job! You guys do a great blog, and have some great contents. Keep up the good work. free downloading ms office 2007

  4. More often than not I don't offer remarks on sites, yet I'd prefer to state that this article truly constrained me to do as such. Extremely decent post. windows 10 professional product key UK

  5. Hi! This is my first comment here so I just wanted to give a quick shout out and say I genuinely enjoy reading your blog posts. Can you recommend any other Fashion Write For Us blogs that go over the same topics? Thanks a ton!

  6. The great service in this blog and the nice technology is visible in this blog. I am really very happy for the nice approach is visible in this blog and thank you very much for using the nice technology in this blog
    electronic signature software

  7. Thanks for sharing your views about the concept which you know much better. Its easy to read and understand by the way you wrote the blog contents.

    python training in chennai

  8. I feel really happy to have seen your web page and look forward to so many more entertaining times reading here. Thanks once more for all the details.

    best data science courses in chennai

  9. Today's mobile, dispersed workforce faces communication and productivity challenges that have nothing to do with specific spreadsheet applications. The real problem is a lack of structure to serve the millions of communities that already have a spreadsheet they like: Excel. spreadsheet consulting