To verify a digital signature, complete the following steps.
- Open the signed document.
- Click File > Properties.
- In the Document Properties dialog box, in the left pane, open Version History and click the version you want to verify.
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On the Digital Signatures tab,
do one of the following:
- To verify all signatures on the selected version, click Verify All.
- To verify a single signature, double-click the item in the list, and then, in the Digital Signature dialog box, click Verify.
A message appears indicating that the signatures have been verified as of the current date. In addition, the status indicator for each invalid signature changes to .