SendGuard for Outlook (Microsoft 365)
Outlook add-in for Microsoft 365 that applies custom rules to detect risks in outgoing emails and attachments before sending.
Standss (South Pacific) LtdWarns before sending emails from Outlook in Microsoft 365 when configured recipient, attachment, or content conditions are met.

Safeguard Send for Microsoft 365 checks outgoing Outlook email against configured rules. It can display a warning before sending, change the warning text, add a BCC recipient, or block the message. Rules can apply across a company, to departments, or to specific users. The add-in includes a dashboard with centralized controls and recent send statistics.
Rules can evaluate external recipients, restricted addresses, sensitive attachments, recipient counts, reply-all actions, and other conditions named by the vendor.
The add-in displays a configurable warning before an email is sent when a rule matches.
A rule can stop an email from being sent.
The add-in can add a BCC recipient to an outgoing email.
The dashboard provides controls for the add-in across an individual account or company.
The dashboard shows send statistics and the number of mistakes averted during the previous 30 days.
The vendor names insurance, healthcare, finance, and legal organizations as potential users.
Safeguard Send for Microsoft 365 is freemium, cloud-deployed, and updated on Jul 2026. SendGuard for Outlook (Microsoft 365) and SIGNandGO - Email Signatures for Microsoft 365 are also freemium and cloud-deployed, with update dates of Jun 2026 and Apr 2026. EdbMails for Office 365 Migration, SysCloud Backup for Microsoft 365, and SpinOne for Microsoft 365 are paid and cloud-deployed; their update dates are Dec 2025, Aug 2026, and Dec 2025.
| Name | Pricing | Deployment | Updated |
|---|---|---|---|
| this plugin | Freemium | Cloud | |
| SendGuard for Outlook (Microsoft 365) | Freemium | Cloud | |
| SIGNandGO - Email Signatures for Microsoft 365 | Freemium | Cloud | |
| EdbMails for Office 365 Migration | Paid | Cloud | |
| SysCloud Backup for Microsoft 365 | Paid | Cloud | |
| SpinOne for Microsoft 365 | Paid | Cloud |
132 plugins in Microsoft 365 · Legal & Compliance
Price distribution: 5 free, 9 freemium, 44 paid, 74 price not published
Outlook add-in for Microsoft 365 that applies custom rules to detect risks in outgoing emails and attachments before sending.
Standss (South Pacific) LtdSIGNandGO centralizes email signature creation, assignment, and analytics for organizations using Microsoft 365.
PEAKUPEdbMails for Office 365 Migration is a complete solution for Microsoft 365 administrators and organizations that need to migrate, export, and import data securely between Office 365 tenants and other platforms.
SHIFTTOCLOUD INCBacks up Microsoft 365 data automatically and restores it in whole or in part, days, weeks, or years after loss.
SysCloud«Are you worried about your users carelessly sending emails to the wrong people? Is letting users respond with the wrong attachments a concern for you? Safeguard Send for Microsoft 365 is a powerful tool that helps you secure your emails, protects against data loss (DLP), prevents PII and GDPR mistakes and avoids …»