How to Open a PDF in a New Acrobat Window. Adobe Acrobat is widely used in business, and documents ranging from brochures to company reports are often shared in Acrobat's PDF file format.

To password protect a PDF in Adobe Acrobat Reader, you'll need the paid Pro version, which starts at $14.99 a month.

Are you experiencing Adobe Acrobat Reader DC not opening on your Windows computer? Several factors can cause this issue such as an internet connection issue, incorrect time and settings, or a ...

See what you can do to fix the problem quickly. Adobe Acrobat Reader could not open PDF Earlier, Acrobat products performed no checks on the extraneous bytes present before the %PDF-header.