Overview
Mass email campaigns directly from Outlook Web
Turn Outlook Web into a professional mass email tool. OutMass brings mail merge, tracking, follow-ups, and AI-powered writing directly inside outlook.office.com and outlook.live.com — with full Microsoft 365 and personal Outlook.com support. ✨ WHAT YOU CAN DO 📧 Mail merge from CSV — personalize with {{firstName}}, {{company}}, and any column 🎯 Subject A/B testing — split-test subject lines to find what converts ⏰ Scheduled sending — send at the perfect time, across time zones 🔁 Automatic follow-ups — retarget recipients who didn't open 📚 Template library — save and reuse your best-performing emails 🤖 AI Email Writer — Claude-powered drafting (Pro, 50/month) 📊 Open & click tracking — pixel tracking, click tracking, unsubscribe links 📎 OneDrive attachments — share files via OneDrive links instead of bulky attachments. Better deliverability, larger files, recipient analytics 💬 Reply detection — daily Inbox scan flags real replies, the strongest engagement signal beyond opens/clicks 📈 Campaign reports — open rates, click rates, full CSV export 🌍 10 UI languages — including Arabic RTL support 💼 BUILT FOR • Founders and SDRs running outbound from Outlook • Agencies managing client campaigns in their existing mailbox • Teams that can't or don't want to switch to Gmail-based tools • Anyone who has tried to mail-merge in Outlook and given up 💰 PRICING • Free — 50 emails/month, forever • Starter — $9/month, 2,000 emails/month • Pro — $19/month, 10,000 emails/month + AI Writer + A/B testing + templates 🔒 YOUR DATA STAYS YOURS OutMass sends through your own Microsoft Graph API using OAuth 2.0. We never store the content of your emails on our servers. Your Outlook account, your data, your deliverability. 🛡️ 30-DAY MONEY-BACK GUARANTEE Not happy with your subscription? Get a full refund within 30 days — no questions asked. 🚀 Install OutMass and run your first campaign in 5 minutes.
Details
- Version0.1.8
- UpdatedApril 30, 2026
- Size156KiB
- Languages10 languages
- DeveloperMetis Information Technologies LtdWebsite
71-75 Shelton Street London WC2H 9JQ GBEmail
support@getoutmass.comPhone
+90 545 386 17 50 - TraderThis developer has identified itself as a trader per the definition from the European Union and committed to only offer products or services that comply with EU laws.
- D-U-N-S234691621
Privacy
OutMass has disclosed the following information regarding the collection and usage of your data. More detailed information can be found in the developer's privacy policy.
OutMass handles the following:
This developer declares that your data is
- Not being sold to third parties, outside of the approved use cases
- Not being used or transferred for purposes that are unrelated to the item's core functionality
- Not being used or transferred to determine creditworthiness or for lending purposes
Support
For help with questions, suggestions, or problems, visit the developer's support site
