This message typically appears when there is a temporary drop in internet connectivity while using the New Outlook experience. When Outlook detects a connection issue, it can automatically disable all add-ins, including SendGuard.
To fix this, close Outlook and restart it while connected to a stable internet connection. After restarting, the SendGuard add-in should load normally and you can resend your email.
Article ID: 373, Created: 8/20/2025 at 9:12 PM, Modified: 9/29/2025 at 8:20 PM