(best) – MSI package from Mimecast Administration Console. Silent install, pre-approved, no user rights required. You control versioning.
Once installed and logged in, look for the Mimecast ribbon to: mimecast download for outlook
The Mimecast for Outlook add-in (formerly Mimecast Services for Outlook) isn’t a standalone app. It’s a client-side integration layer that bridges your local Outlook instance with Mimecast’s cloud services. (best) – MSI package from Mimecast Administration Console
: As the clocks neared twelve, the first employees started their shifts. They opened Outlook and saw a new tab—a silent sentinel. They didn't need to do anything; the add-in was already authenticated, ready to let them search years of archives in seconds and report suspicious "Drifter" emails with a single click. the add-in was already authenticated