Msiexec Qr I Sophosoutlookaddinsetupmsi T1 Ec3 C1 I1 Work «EXCLUSIVE»

msiexec /qr /i SophosOutlookAddInSetup.msi T1=EC3 C1=I1 /work

Configures SPX encryption features. C=1 (Component): Sets communication parameters. I=1 (Indicator): Configures the indicator component.

(Configuration): Enables specific configuration options within the add-in. msiexec qr i sophosoutlookaddinsetupmsi t1 ec3 c1 i1 work

: For modern Microsoft 365 environments, Sophos often recommends using XML Manifest files via the Microsoft 365 Admin Center instead of local MSI installs.

: Directs the installer to perform a standard installation sequence. msiexec /qr /i SophosOutlookAddInSetup

This command is most commonly used in enterprise environments to push the add-in to hundreds of workstations simultaneously via:

Most admins use /qn (Quiet - No UI). However, using /qr (Reduced) is an "interesting" choice because it shows a small progress bar and a final success message. This is often used during or first-time testing so the admin can see that the installation actually finished without having to dig through log files. 🛡️ The "Phish Threat" Connection This command is most commonly used in enterprise

In the context of installations, this string does not appear to be a standard set of MSI command-line arguments. There are three likely possibilities for what this text represents:

If you need help extracting the actual public properties from that MSI, you can use: