Native Mail Merge Add-in for Microsoft Outlook Professionals
Scale your Outlook email campaigns with unique attachments and local data security. FlowDrafts is the native mail merge add-in for professional automation without the cloud.

Everything
You Need for
Professional Outreach
A comprehensive mail merge suite built directly into your Outlook environment.
Local-First Security
Your data stays within your trusted infrastructure. Our Private engine offers 100% local processing via Microsoft VSTO, while our Modern version utilizes your existing Microsoft 365 security tokens for zero third-party cloud storage.
Individualized Attachments
Deliver more than just text. Securely attach unique invoices, legal contracts, or reports to each recipient directly within the add-in. For the best workflow, follow our Individual Attachment Guide.
Relationship-Aware Logic
Our smart engine handles the nuances of outreach. It automatically switches between individual names and collective greetings based on your relationship thresholds. Explore industry-specific workflows.
Native Outlook Add-in
Send thousands of emails daily through your own server. By utilizing the native Outlook Desktop Add-in engine, you bypass the artificial limits of web-based marketing platforms.
Team-Ready Delegation
Prepare campaigns and delegate the execution. Export entire setups as secure, portable ZIP packages for your team to run locally - perfect for senior oversight.
Built for High-Stakes Communication
FlowDrafts adapts to the specific compliance and personalization needs of your industry.
M&A & Deal Flow
Accelerate sell-side outreach. Securely distribute project teasers and NDAs to buyer pools in minutes, not hours, with full localized audit trails.
Privileged Communication
Manage sensitive legal notices, NDAs, and private wealth reporting with 100% data sovereignty. Ensure PII never leaves your secure workstation.
Life Sciences & CRO
Automate the distribution of trial protocols and ethics approvals to investigator sites. Maintain strict HIPAA compliance and GDPR data sovereignty with local-first processing.
Risk & Enterprise Ops
Scale individual policy renewals, custom invoices, or sensitive internal comms. Eliminate "Attachment Drift" and cloud-relay exposure across the organization.
The FlowDrafts Workflow
A streamlined, four-step process engineered for the high-volume Outlook professional.
Smart Data Ingestion
Copy-paste contact lists directly from Excel. FlowDrafts automatically validates email formats and maps columns.
Intelligent Validation
Eliminate errors before they happen. Our safety engine detects duplicates and validates attachment sizes for server compliance.


Dynamic Attachments
Automate individual file distribution. Map unique attachments to specific contacts and export setups into secure ZIPs.
One Tool,
Two Ways to Send
We support the Outlook you use today and the one you'll use tomorrow.
Classic Outlook
Native Desktop Add-in (VSTO)
- Absolute Data Sovereignty: Native VSTO architecture ensures that sensitive recipient lists and attachments never leave your firm's secure local infrastructure.
- High-Throughput MAPI Engine: Bypass all cloud-relay and Graph API throttling limits to send high-volume campaigns at local hardware speeds.
- Recipient-Specific Attachments: Securely manage unique PDFs or deal teasers for every recipient in your campaign with absolute 1-to-1 accuracy.
- Context-Aware Smart Greetings: Automatically handle recipient names and firm-level density to ensure institutional-grade personalization.
- Portable Campaign Packages: Export fully-mapped campaigns as secure ZIP packages for senior execution, ensuring zero-defect distribution across teams.
Local Precision vs. Cloud Risk
Traditional tools require you to upload your sensitive PII to the cloud. FlowDrafts processes everything where it belongs: on your machine.
| Capability | Cloud Tools | FlowDrafts Private |
|---|---|---|
| Data Storage | Remote Database | 100% Local Only |
| PII Exposure | High (Full Upload) | Zero PII Exposure |
| Individual Attachments | Not Supported | Native Mapping |
| Large Attachments | Platform Restricted | Full Mailbox Limit |
| Daily Limits | App Throttled | Full Provider Quota |
| Offline Mode | Always Online | Works Offline |
| Pricing Model | Per-Email / Month | Flat Per-User Fee |
Simple,
Transparent Pricing
Per-user licensing. No hidden fees.
Annual Plan
Billed annually
Frequently Asked
Questions
Answers to common questions about security, connectivity, and individualized automation.
Ready to streamline your email campaigns?
Join teams who trust FlowDrafts for professional outreach.

