Only now, can you go ahead and delete the original folder. Double-check to confirm you can access the disk image and files inside it. Remember: the original, unencrypted folder is still on your computer. Click the menu next to Image Format and select Read/Write.Select the level of encryption you want to implement (128-bit or 256-bit AES Encryption).Once the folder window opens, choose the folder you want to protect with a password Within the pop-up window that appears, you’ll see menus for both Encryption and Image Format.From the top menu, select File > New Image > Image from Folder.Open Finder and go to Applications > Utilities > Disk Utility.Find the folder you need to encrypt and add the relevant files to it.You can use this method to create secure archives of files and folders (or even an entire disk, if you’d like). How to back up to a server or Airport Time Capsuleįirst, turn your folder into a disk image file (.dmg).How to encrypt your Time Machine backups.How to encrypt your Mac external drives.So read on to learn about the macOS password protection features you need to use to stay safe. Think of it this way: if you let someone use your Mac, how can you be sure they aren’t looking through your private files? Your device can also get stolen - along with all the files on your hard drive. You shouldn’t consider this to be too cautious. Let us know how it goes and share your findings.If you’re serious about safeguarding your sensitive information, password protection on your files and folders is the most sensible way to go. What is the dot version of Acrobat installed? To identify refer to Identify the product and its version for Acrobat and Reader DC Is it specific to one PDF file or with all the PDF files? If it is specific to one PDF, is it possible to share the PDF file with us so that we can try it at our end? To share the file, please use Adobe Send feature, upload the file, share the link to files via private message only, How Do I Send Private Message

Have you tried opening the PDF file with any other browser like Chrome or Firefox? You can also refer and try the solution from the following Adobe discussion PDF Files open blank on Mac Refer and try the suggestions from the following Adobe articles Display PDF in browser Adobe Acrobat, Acrobat Readerĭownloading and viewing PDFs gives a black screen in Safari (Acrobat Reader) Please check for any pending updates of Acrobat from help>check for updates, reboot the machine after installing any updates and see if this brings any difference.

We apologize for the inconvenience caused, as per the description above when you open a PDF file in Safari, you get a black page, is that correct?

Mac safari encrypted pdf black screen