For individuals
Protect my inbox
Start a MailGuard trial with your Microsoft account. No tenant setup and no IT appointment required.
Start a free trial14 days · 50 checks each day · Microsoft sign-in
GUARD Platform
Feel more confident in every email.
MailGuard helps you understand what an email is telling you before you click, reply, or pay.
Get started
Choose the path that fits you.
Whether you protect your own inbox or support customers, MailGuard starts in a few clear steps.
For MSPs and IT teams
Protect my customers
Create and manage customer organizations from a separate, secure workspace.
MSP / IT sign inAuthorized partners and administrators
Products
One platform. Growing protection.
MailGuard is available today. More GUARD products are on the way.
MailGuard
Know what to trust in Outlook. Verify before you click. Verify before you pay.
Start MailGuardTeamsGuard
Safer decisions across Microsoft Teams conversations and collaboration.
VoiceGuard
Confidence for voice and call-based social engineering risks.
SlackGuard
Clear guidance for Slack messages and workplace chat workflows.
CloudGuard
Protect cloud identity and SaaS access decisions your teams make every day.
RiskGuard
Organization-wide risk visibility that turns signals into action.
AI Guard
Keep AI-assisted work trustworthy without slowing people down.
What happens next
Sign in with Microsoft, open your dashboard, then install MailGuard from Microsoft Marketplace and pin it in Outlook so help is always one click away.