Adobe no longer provides security patches or bug fixes for this version.

Improvements to the "Certificates" tool made it easier to sign, certify, and verify documents with digital IDs from files or smart cards.

Users could open multiple PDFs in a single window using a tabbed interface, similar to a web browser.

The 2017 update brought several workflow improvements aimed at professional productivity:

Using outdated PDF software is considered high-risk, as it leaves your system open to malicious attacks through specially crafted PDF files.

Native support for saving and opening files from services like Box , Google Drive , and Microsoft OneDrive . Technical Details & System Requirements

This version added official support for . Standard requirements for this era of Acrobat Pro DC included: Processor: 1.5 GHz or faster. RAM: Minimum 1 GB (2 GB recommended).

Adobe strongly recommends migrating to the latest subscription-based version of Adobe Acrobat Pro to ensure continued security and access to new tools like AI-powered document summaries. End of technical support for Adobe Acrobat 2017