How to Lock PDF Files. In the digital age, business documents can be easily leaked or altered. Adobe's portable document format allows strong encryption using a password, certificate or a rights ...

How to Unprotect PDF. Password protecting your company's important PDF files can help to ensure only selected parties view sensitive information.

Learn how to easily remove a password from a PDF file on your Mac using Adobe Acrobat, Preview, web browsers, and third-party apps.

For those who want to unprotect a spreadsheet using a Web version of Microsoft Excel, here's how you do it: Open Excel on your computer. Select the file you want to unprotect. Select "Review" from ...

It's a secure solution that contains an interactive and easy-to-access interface and requires no prior technical knowledge to unprotect PDF files.

You must have seen PDF documents or many of you have used this particular file format. PDF is an extremely popular and most desired file format in recent history.

Shields the details of the implementation, allowing the user to protect and unprotect PDF files programmatically using a few simple interfaces. Batch protection and unprotection of PDF files.