A recommended approach to secure your most private documents — whether it’s a PDF, Word file, or Excel spreadsheet — is to lock them with a passcode. While this does help keep sensitive content safe, ...

Password protecting a sensitive PDF file is a great way to secure its contents from prying eyes. However, sharing a password-protected PDF can be a logistical nightmare, especially if the contents don ...

Editor’s Note: This article was originally published in Mar. 2014 and the video tutorial for this article published Dec. 2018; while this program might look a little different, the steps shown in this ...

We have all dealt with PDF files at one point or another in our time on the internet or in the office. From tickets purchased online, to business documents from work, school, or government ...

In iOS, Apple's stock Files app is a handy place for keeping PDF documents on your iPhone or iPad. Not only can you view and organize your documents in the Files app, but it also provides you with ...