The different types of expiring timer options in Excel, why VBA scripts and macros are useless, and how to expire spreadsheets effectively with expiry dates that cannot be deactivated or defeated.
Here we explore the issues with Adobe Encrypted PDF files and why Adobe PDF encryption is not secure. We also cover why any PDF editor app or online solution that uses password encryption is useless, and how you can encrypt PDFs securely.
Selling ebooks and other digital downloads can be a profitable business. However, with piracy frequent, you need to choose your platforms and protection methods carefully.
Learn to insert a watermark in Excel, how easy it is for users to remove a watermark in Excel even if it is edit protected, and how to add permanent watermarks that cannot be removed.
The security features Excel has to protect XLSX or XLS spreadsheets and why they are useless. Learn how to secure your workbooks and worksheets without passwords, and how to encrypt them to restrict editing and printing, and prevent copying and sharing.