Signing a Microsoft Word Document with a User Certificate

This article explains how to digitally sign Microsoft Word documents using user certificates.

Digital Signatures in Word

Digital signatures provide:

• Document authenticity verification
• Non-repudiation
• Integrity checking

Signing Process

1. Open Document: Open the Word document to sign
2. Insert Signature: Go to Insert > Signature Line
3. Add Certificate: Select your signing certificate
4. Sign Document: Complete the signing process
5. Save Document: Save the signed document

Verification

• Signed documents show signature status
• Recipients can verify signature authenticity
• Any changes after signing will invalidate the signature