OutMass

Mass email campaigns directly from Outlook Web

Turn Outlook into a mass email powerhouse. Mail merge, A/B tests, AI writer. 13 languages. From $9/mo. --- DESCRIPTION (2510 characters) --- 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 (Pro) — split-test subject lines to find what converts ⏰ Scheduled sending (Starter+) — write now, deliver at the perfect time 🚦 Daily send limit — cap how many emails go out per day to protect your sender reputation ♻️ Auto-resume — hit your monthly quota mid-campaign? The rest sends automatically after your reset 🔁 Automatic follow-ups (Pro) — re-engage anyone who hasn't replied, or narrow it to those who never opened. Anyone who answers is skipped. 📚 Template library (Starter+) — save and reuse your best-performing emails 🤖 AI Email Writer — drafts your email from a short brief (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 — we check your Inbox every few hours and flag real replies, the strongest engagement signal beyond opens and clicks. 📈 Campaign reports — open rates, click rates, full CSV export 🌍 13 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 — 250 emails/month, forever • Starter — $9/month, 2,500 emails/month + scheduled sending + templates + CSV export • Pro — $19/month, 10,000 emails/month + AI Writer + A/B testing + automatic follow-ups 🔒 YOUR ACCOUNT, YOUR SENDING OutMass sends through your own Microsoft account using OAuth 2.0 and the official Graph API — no third-party sending servers and no shared IP pools, so recipients see a normal email from you. Your campaign is stored on our servers, because scheduled sending, follow-ups and campaign reports cannot work otherwise. Reply detection records only that a reply arrived, never its contents. 🛡️ 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.