In Windows environment deployments, an .msp file is a Microsoft Patch file used to deliver targeted updates, hotfixes, and security provisions to an existing application installation. Rather than requiring a full reinstallation of the massive Acrobat package, AcrobatUpd11023.msp applies a delta upgrade directly over a base version of Adobe Acrobat 11. Adobe Acrobat XI (Pro and Standard) Resulting Version: 11.0.23 (Final Lifecycle Version) Release Date: November 14, 2017 Severity Rating: Critical
: It can sometimes be found at Adobe Support Downloads. acrobatupd11023.msp