The Compatibility option you choose determines the type of encryption used. It is important to choose a version compatible with the recipient's version of Acrobat or Reader. Encrypt All Document Contents. Encrypts the document and the document metadata. If this option is selected, search engines cannot access the document metadata.
Encrypts the contents of a document but still allows search engines access to the document metadata. You can use a search tool that takes advantage of XMP metadata. Encrypt Only File Attachments. Requires a password to open file attachments. Users can open the document without a password. Use this option to create security envelopes. Click OK. At the prompt to confirm the password, retype the appropriate password in the box and click OK. You can prevent users from changing PDFs.
The restrict editing option prohibits users from editing text, moving objects, or adding form fields. Users can still fill in form fields, sign, or add comments. Choose Editing, and then type and retype your password. The password strength is displayed next to your password to indicate whether the chosen password is weak, medium, or strong.
You can prevent users from printing, editing, or copying content in a PDF. You can set the restrictions you want to apply to the PDF. Users cannot change these restrictions unless you give them password. To open a restricted PDF in these applications, the user must enter the permissions password. If you forget a password, you cannot recover it from the PDF.
All Adobe products enforce the restrictions set by the permissions password. However, if third-party products do not support these settings, document recipients are able to bypass some or all of the restrictions you set. Type the password in the corresponding field. Select what the user can print from the Printing Allowed menu:.
Low Resolution dpi. Printing may be slower because each page is printed as a bitmap image. High Resolution. Lets users print at any resolution, directing high-quality vector output to PostScript and other printers that support advanced high-quality printing features. Select what the user can change from the Changes Allowed menu:. Prevents users from making any changes to the document that are listed in the Changes Allowed menu, such as filling in form fields and adding comments.
Inserting, Deleting, And Rotating Pages. Lets users insert, delete, and rotate pages, and create bookmarks and thumbnails. Lets users fill in forms and add digital signatures. Lets users add comments and digital signatures, and fill in forms. Any Except Extracting Pages. Lets users edit the document, create and fill in form fields, and add comments and digital signatures.
Select an Acrobat version from the Compatibility menu. You can remove security from an open PDF if you have the permissions to do so. If the PDF is secured with a server-based security policy, only the policy author or a server administrator can change it. Once there, go to the "Info" section, click on the "Protect Workbook" option and choose "Encrypt with Password. Now you will see a window where you must enter and confirm the password that you will use to encrypt the document.
When you finish, click on "Ok. Microsoft Office applications are not ideal for working with PDF files. It is possible to use Microsoft Office to protect them. Still, you should remember that once you have established password protection, the document format will change, depending on the application you use to view the document. I will show you how to do it below. Before starting, make sure to open your PDF file using Preview. Now, display the "File" menu and select the option "Export Now you will see a window where you can choose the export characteristics.
Ensure you have the "Encrypt" option enabled and enter a password. When you're done, click "Save. Now you will see a window where you can choose the protection features. You can set passwords to restrict reading, writing, and even printing processes. A few years ago, password protecting files was not as straightforward as it is now. Fortunately, these days, password-protecting documents are straightforward, and encryption tools are often included in the editing applications you use daily, as is the case with Preview, Microsoft Office, and PDFelement.
Just make a couple of clicks, and voila. Buy PDFelement right now! Audrey Goodwin. Part 1. Try It Free. Audrey Goodwin chief Editor. Other Popular Articles From Wondershare.
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