OutreachMerge — Mail Merge for Outlook & Microsoft 365

Mail merge has lived in Gmail forever. Outlook and Microsoft 365 finally get a real one. OutreachMerge runs personalized mail-merge campaigns straight from your own Microsoft 365 or Outlook mailbox. Import a CSV of recipients, write your subject and body with {{ merge_fields }}, preview against a real row, and send — rate-limited and safe. — HOW IT WORKS — 1. Connect Microsoft — sign in to your own account with secure OAuth 2.0 + PKCE. No passwords stored, no client secret, no third-party mail server in the middle. 2. Import your CSV — drop in a list of recipients and OutreachMerge auto-detects the email column. 3. Personalize & send — write with {{ first_name }}, {{ company }}, or any column, preview the result, and send from your mailbox. — WHY OUTREACHMERGE — • Send from YOUR mailbox via the official Microsoft Graph API. The From address is always your signed-in account — never spoofed, never relayed. • Merge fields + live preview against a real recipient before anything sends. Missing fields are flagged. • Rate-limited & reputation-safe: per-minute token bucket + daily cap, with automatic backoff when Graph throttles. • Unsubscribe built in — a mandatory, editable footer on every message. • Scheduling and open tracking (Pro). • Generous free tier: every core feature + 25 personalized emails/day, free. No credit card. — BUILT FOR — Recruiters, founders, sales and BD teams, agencies, and solopreneurs who live in Outlook and Microsoft 365 and need personalized outreach without forwarding tricks or a new sending domain. — PRIVACY & SAFETY — OutreachMerge runs locally in your browser. Your recipients and message content stay with you — nothing is resold or relayed. It requests only two delegated Microsoft Graph permissions: User.Read and Mail.Send. No client secret, no access to anyone else's mailbox. This is a tool for legitimate, permission-based outreach — not bulk spam. Honor unsubscribe requests and comply with CAN-SPAM, GDPR, and CASL. Not affiliated with Microsoft. Outlook and Microsoft 365 are trademarks of Microsoft Corporation.