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To encrypt an Outlook PST file to PDF, you must first convert the PST emails to PDF and then add a password. Outlook PST files cannot be encrypted directly as PDFs, so the process involves two steps:
Export all your PST emails as PDFs so they can be easily shared and stored securely.
Use PDF encryption: After conversion, you can use the PDF software's security options to set a password, restrict printing, or prevent copying.
The easiest way to do this is to use specialized software such as Softaken PST to PDF Converter. This allows you to convert PST emails with attachments directly to PDFs and lock the files with a password during conversion. This application supports all Windows versions. Free demos are available.
Export all your PST emails as PDFs so they can be easily shared and stored securely.
Use PDF encryption: After conversion, you can use the PDF software's security options to set a password, restrict printing, or prevent copying.
The easiest way to do this is to use specialized software such as Softaken PST to PDF Converter. This allows you to convert PST emails with attachments directly to PDFs and lock the files with a password during conversion. This application supports all Windows versions. Free demos are available.