32-bit Outlook extensions conflict. Fix:

To improve security and performance, we are standardizing on . Please uninstall the 32-bit version and deploy the 64-bit MSI (or EXE) below.

Here’s a post tailored for a tech blog, support forum, or internal IT announcement regarding .

Roll back plan is available if legacy plugins fail (rare).

A prior manual installation or registry remnant. Fix: Use the Adobe Reader DC Cleanup Tool from Adobe’s support site, then reboot and reinstall.