Learn how to always open PDF files in Protected View in Word. Stop Word from opening PDF files in Protected View using GPEDIT or REGEDIT.

You can stop Google Chrome from opening PDF files externally or internally using Group Policy and Registry Editor. Learn how!

Gimp is normally used to create or manipulate images files, but can also work with PDFs if you understand how it works and what it's limits are.

It's handy to know how to combine PDF files. Because PDFs can be opened by any computer with a browser, they’re ideal for sharing. But it's more convenient to merge lots of PDFs into one, rather ...