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PowerPoint 2007
1.18.Digital Signature
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1.18.1. Add a Digital Signature to a Document 
Click the Office button, point to Prepare, and then click Add a Digital Signature.
Click the Office button, point to Prepare, and then click Add a Digital Signature.
To select the one you want, and then click OK.
To change the digital signature, click Change, select the one you want, and then click OK.
Enter the purpose for signing this document.
Enter the purpose for signing this document.
Click Sign.
Click Sign.
1.18.2. View or Remove Signatures 
Click the Signature icon on the Status bar.
Click the Signature icon on the Status bar.
The Signatures task pane appears, displaying valid signatures in the presentation.
       Point to a signature, and then click the list arrow.
       To see signature details, click Signature Details.
To see signature details, click Signature Details, select a signature, click View.
To remove a signature, click Remove Signature.
To remove a signature, point to a signature, click the list arrow, click Remove Signature, click Yes.



tháng 11 07, 2023
thaithuan

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