Knowledge Base
How to Sign a Microsoft Word Document with a Digital Signature?
How to Sign a Microsoft Word Document with a Digital Signature?
Product: Microsoft Word
Summary: This guide provides the step-by-step process for adding a digital signature to a Microsoft Word document using a document signing certificate. Digital signatures ensure authenticity, accountability, and integrity of your document.
Audience: Users who need to authenticate Word documents for official or secure purposes.
Scope:
This procedure is based on Microsoft® Word for Microsoft 365 MSO (Version 2510 Build 16.0.19328.20244) 64-bit. The procedure may differ for other Microsoft Office versions.
Prerequisites
Before you begin, ensure you have the following:
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A valid document signing certificate (e.g., Sectigo ) is stored on a token.
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Ability to access the token and password.
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Microsoft Word installed on your computer.
Procedure To sign a Word document
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Insert the token containing your Sectigo Document Signing certificate into a USB port on your computer.
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In your Word document, select File > Info.
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Select Protect Document > Add a Digital Signature.
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In the Sign dialog:
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Select the Commitment Type.
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Enter a purpose for signing the document.
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Click Details to enter information about who you are (title and location). This information will become part of your signature.
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Click Change to select your Entrust document signing certificate, if it does not appear in the bottom panel.
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Click Sign.
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Provide your token password if requested.
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If the Request Permission to use a key dialog appears, select Grant permission, then click OK.
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Word signs the document and displays a success message.
Verification
To confirm that the process was successful, go to File > Info > View Signatures. Word will display the signature details and a success message.
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