User instructions for signing MS-Office documents using our UPC token (Summer release) through the AATL certificate.
Status: May 05, 2023
1.1 Goals of this document
A step-by-step guide to signing MS Office documents. By signing an MS-Office document, other users can no longer edit the final document. Otherwise the document is considered invalid.
2 Short version
Procurement of suitable certificate
The following product type of our UPC tokens allow MS-Office documents to be signed.
✓ UPC Bundle (Summer Release)
✓ An overview of all products can be found here
Note: Your MS-Office document must have a compatible file format. If the current file format of your MS Office file is not compatible, you will be prompted to save the document in a different format. Please follow this prompt. Otherwise you will not be able to sign the document.
✓ Select “File” → “Information” → “Protect document” → “Add digital signature”.
✓ In the new window that appears, select the type of commitment under “Type of commitment”, specify the purpose of the signature and select the certificate under “Change…”.
✓ Under “Details” you can add further information about the signer. To add the signature click on “Sign”.
3 Documentation in detail
3.1 Sign MS-Office document
Note: For this process you have to attach your UPC token to your PC.
- On the top left corner click on “File”
- Click on “Info” on the left Sidebar → “Protect Document” → Click on “Add a Digital Signature”
- Choose a “Commitment type”
- Type the “Purpose for signing this document” in.
- If you click on the “Details” button you can add more Informations about the signer
- Choose your certificate after clicking on “Change…”
- Type in your password of the UPC-Token
- Click on “Ok” to complete
After a digital signature, the document is protected from any processing or manipulation. If the file is edited after a signature, the document becomes invalid! You can find more information about digital signatures in MS Office documents here.
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