Msiexec Qr I Sophosoutlookaddinsetupmsi T1 Ec3 C1 I1 Work !full! Jun 2026

The trailing letters and numbers are custom configuration settings that tell the add-in exactly how to behave once it’s on a computer: (Enable Type)

The command msiexec qr i sophosoutlookaddinsetupmsi t1 ec3 c1 i1 work is a specific instruction to silently deploy the Sophos email security plugin with a reduced user interface. However, the syntax regarding the latter half of the string appears garbled or is a copy-paste artifact from a log file. msiexec qr i sophosoutlookaddinsetupmsi t1 ec3 c1 i1 work

msiexec /i "SophosOutlookAddinSetup.msi" /qr TRANSFORMS="t1.mst" EC3="1" C1="1" I1="1" WORKMODE="1" The trailing letters and numbers are custom configuration

A safe, generic example using common patterns and logging: msiexec /i "SophosOutlookAddinSetup.msi" INSTALLLEVEL=3 MODE=Work /qn /l*v "%TEMP%\sophos_outlook_install.log" REBOOT=ReallySuppress msiexec qr i sophosoutlookaddinsetupmsi t1 ec3 c1 i1 work