The /i switch stands for "Install" and is a standard command that tells the Windows Installer to perform a normal installation of the product.
: Launches the executable responsible for installing, modifying, and performing operations on Windows Installer ( .msi ) packages.
The command string provided is: msiexec /qr /i SophosOutlookAddinSetup.msi T1 EC3 C1 I1 /work msiexec qr i sophosoutlookaddinsetupmsi t1 ec3 c1 i1 work
: Frequently references a Component ID or installation flag indicating which specific modules of the Outlook Add-in (e.g., Phish Threat reporting vs. Device Encryption) should be initialized.
Why it matters:
msiexec /i "SophosOutlookAddin.msi" /qr EC3=value C1=1 I1=1 WORK=1
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: The /i switch stands for "Install" and is
This article provides an exhaustive breakdown of this command string, analyzing every switch, property, and flag to help you understand exactly what it does, why it is structured this way, and how to troubleshoot it. Command Syntax Breakdown
| Your code | Likely property | Meaning | |-----------|----------------|---------| | t1 | TOOLBAR1=1 or similar | Enable toolbar | | ec3 | EMAILCLIENT=3 ? | Possibly Outlook (Exchange) or email client type | | c1 | CLIENT=1 | Client type (e.g., Outlook desktop) | | i1 | INSTALLMODE=1 | Install for current user / all users | | work | Could be DEPLOYMENT=work or SCENARIO=work | Workgroup or corporate mode | Device Encryption) should be initialized