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GroupDocs.Merger for Python via .NET lets you remove an open password from a protected document. After the operation the saved document is unencrypted and can be opened without any password.

1. Create a LoadOptions instance and supply the current password so the document can be opened.
2. Instantiate the Merger class with the protected document path and the LoadOptions object.
3. Call merger.remove_password() to strip the password.
4. Call merger.save() with the output file path to write the decrypted document.

from groupdocs.merger import Merger
from groupdocs.merger.domain.options import LoadOptions

def remove_document_password():
    # Supply the current password so the protected document can be opened
    load_options = LoadOptions(password="p@ss")
    # Load the password-protected document
    with Merger("./protected.pdf", load_options) as merger:
        # Remove the open password from the document
        merger.remove_password()
        # Save the decrypted (unprotected) document
        merger.save("./output.pdf")

if __name__ == "__main__":
    remove_document_password()

Binary file (PDF, 85 KB)

• Load Options: LoadOptions(password="p@ss") provides the current document password so that Merger can decrypt and open the file. Omitting the password when the document is protected raises IncorrectPasswordException.
• Load Document: The Merger context manager opens the protected file using the supplied credentials.
• Remove Password: merger.remove_password() clears the open password from the in-memory document representation.
• Save Result: merger.save() writes the now-unprotected document to disk.

Refer to the GroupDocs.Merger API Reference for full details on remove_password() and LoadOptions.

• Add document password
• Update document password
• Check document password protection