指定密碼值,讓使用者可以透過叫用PasswordEncryptionOptionSpec物件的setDocumentOpenPassword方法並傳遞代表開啟密碼的字串值來開啟加密的PDF檔案。 指定主要密碼值,讓使用者可以呼叫PasswordEncryptionOptionSpec物件的setPermissionPassword方法,並傳遞代表主要...
指定密码值,以允许用户通过调用PasswordEncryptionOptionSpec对象的setDocumentOpenPassword方法并传递表示打开密码的字符串值来打开加密的PDF文档。 指定主密码值,以允许用户通过调用PasswordEncryptionOptionSpec对象的setPermissionPassword方法并传递表示主密码的...
How to add passwords and permissions to PDF files: Open a file in Acrobat and choose“Tools” > “Protect.” Select whether you want to restrict editing with a password or encrypt the file with a certificate or password. Setpasswordorsecurity methodas desired. ...
打开PDF,然后选择所有工具>保护 PDF>设置安全属性。 在“文档属性”窗口中,选择安全性选项卡,然后选择更改设置。 根据附加到文档的密码安全性的类型,决定您的选择: 如果文档仅有文档打开密码,请取消选中输入密码以打开文档选项,然后选择确定以从文档中移除密码。
You can add password security to PDFs to prevent unauthorized access and protect sensitive information. You can also customize security settings to restrict editing, modifying, printing, or copying the content of your PDF files. With Adobe Acrobat, you get advanced security features to keep your ...
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How to add password protection to multiple PDF files in batch in Acrobat XI Guest Dec 12, 2017 Copy link to clipboard I would like to know if there is a function to add protection to a lot of multiple files at once? How do I do it? Thanks. Richard...
Export PDF documents to other formats such as Microsoft Office, text, and images OCR can be used to enable document search and text edit Protect PDF documents with a password, or remove it when no longer needed Merge multiple PDF documents into a single PDF, or Split a PDF into multiple...
关闭所有打开的 PDF。从 Acrobat 的“主页”视图中,选择查看所有工具>编辑 PDF。 从“编辑”窗格的添加内容下,选择水印>删除。 在出现的对话框中,选择添加文件,选取“添加文件”,然后选择要从中删除水印的文件并选择打开。 选择确定。 在输出选项对话框中,指定文件夹和文件名首选项,然后选择确定。
Add passwords and permissions to PDFs so only the people you want to view your file can see it. See more features included with Pro Try top features for free. No need to sign in. Meet Acrobat AI Assistant. Sum up docs in a click. Ask questions to get quick answers. Explore what you...