Bulk Email Campaigns
for Outlook Web

Send personalized mail merge campaigns, track opens & clicks, and automate follow-ups — all from your Outlook inbox.

Add to Chrome — It's Free See Pricing

Also available for Microsoft Edge

Everything you need for email outreach

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Mail Merge

Import contacts from CSV and send personalized emails at scale using merge tags like {{FirstName}} and {{Company}}.

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Open & Click Tracking

Know exactly who opened your email and clicked your links with real-time tracking and detailed reports.

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Automated Follow-up

Automatically follow up with recipients who haven't opened your email — scheduled and sent server-side. Set it and forget it. (Pro plan)

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Works Inside Outlook

No new app to learn. OutMass lives inside Outlook Web as a Chrome extension — right where you work.

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Smart Sending

Emails are sent via Microsoft Graph API through your own account. Better deliverability, no third-party servers.

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Freemium

Start with 250 free emails per month. Upgrade when you need more — paid plans start at $9/month.

Simple, transparent pricing

Start free. Upgrade when you're ready.

Free

$0/mo
  • 250 emails / month
  • Mail merge
  • Open tracking
  • Unsubscribe & suppression list
Get Started

Starter

$9/mo
  • 2,500 emails / month
  • Mail merge
  • Open + click tracking
  • Scheduled sending
  • Daily send limit (spread over days)
Start with Starter

Pro

$19/mo
  • 10,000 emails / month
  • Everything in Starter
  • AI Email Writer (50/mo)
  • A/B subject testing
  • Template library
  • Priority support
Go Pro

Ready to supercharge your Outlook outreach?

Join thousands of professionals who send smarter emails.

Add to Chrome — It's Free

Also available for Microsoft Edge →