Justin29395894xpc4

Participant

Question

Lock PDF Signed via Digital Certificate

Forum|Forum|2 years ago
April 13, 2023
1 reply
1339 views

Is it possible to retroactively lock a document signed by digital certificates? For example, the document was signed by everyone but was not locked by the last signer. I then go back and lock it.

Also, is it possible to prevent comments and other editing tools once locked?

This topic has been closed for replies.

Community Manager

Community Manager

Hi Justin29395894xpc4,

Thank you for reaching out.

If the document is digitally signed, it is not possible to make any changes to that PDF.

After digitally signed, the document will add restrictions to adding comments and editing text in the PDF.

You may check the security added to PDF after adding the signature via the document properties. Launch PDF and go to File > Properties > Security.

Let us know if you have any questions.

Thanks,

Meenakshi

Marking a reply or response “Correct” will help future users with the same issue quickly identify the correct answer.

Community Expert

Community Expert

> If the document is digitally signed, it is not possible to make any changes to that PDF.

That's not always the case. If the file is not locked when signed form fields can be filled in, and additional signatures can be applied to it.

Martha29442891labk

Participant

Thanks for the answer!