OutMass Blog
Practical guides on sending mass email from Outlook. Mail merge how-tos, deliverability deep-dives, and honest comparisons with the tools you've already heard of.
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How to Send Mass Emails from Outlook in 2026 (Step-by-Step)
Four practical ways to send mass email from Outlook — the native Word + Outlook mail merge, distribution lists, VBA, and dedicated tools. Daily limits, deliverability rules, and when to pick which.
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GMass for Outlook? Use OutMass Instead
GMass is Gmail-only. Here's the Outlook-side equivalent: feature-by-feature comparison, pricing, and a migration playbook for moving GMass campaigns to OutMass.
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Outlook Mail Merge Limit: How to Send 1000+ Emails Without Blocks
Microsoft caps daily sending at 500 (personal) or 10,000 (business) recipients. The exact numbers, why they exist, what triggers them, and how to send a 5,000-recipient campaign without getting throttled.