Despite this, many enterprises and individuals still use Acrobat XI because it is a perpetual license (a one-time purchase) rather than a subscription. Consequently, updating to the very last released version (11.0.23) is critical to ensure you have the final security patches Adobe released before shutting down the servers.
November 2017 – Adobe ended all support for Acrobat Pro XI. This includes security patches, technical support, and compatibility fixes. adobe acrobat pro xi update download
Do not guess. Open Acrobat Pro XI, go to Write down your version number (e.g., 11.0.0, 11.0.23). Despite this, many enterprises and individuals still use
Have questions about your specific Acrobat Pro XI update scenario? Leave a comment below or contact Adobe Enterprise Support (note: they will charge for any assistance with EOL products). Have questions about your specific Acrobat Pro XI
If you are an enterprise IT manager: treat Acrobat XI machines as compromised. Isolate them, plan a migration, and block all inbound/outbound PDF parsing on those endpoints.
: The ability to export PDFs into editable PowerPoint or Word files "floored" early reviewers with its accuracy in maintaining layouts.