Step-by-step instructions for creating PDFs from any file type, including methods for merging, compressing and password-protecting PDF documents securely.

If you own a Samsung Galaxy phone, you can use the preinstalled My Files app to add a PDF shortcut to your home screen. Open your file manager or Files app and locate the PDF file. Tap on the ...

You can type on a PDF using one of several different options depending on the device you're using. All of the programs listed in this article are available for free, and some methods are built into ...