Documentation

Everything you need to know about MailLighter. Installation, features, technical details, and troubleshooting.

Getting Started

Discover MailLighter, the free Outlook add-in for cleaner emails.

Install MailLighter in Outlook in under a minute. Available on Microsoft Marketplace for Outlook Desktop and Outlook on the Web.

Discover MailLighter's 5 features: remove images, remove attachments, keep 2 replies, keep selection only, and full cleanup.

Learn how MailLighter processes emails locally using Office.js. No external servers, no data collection — everything stays on your device.

MailLighter is 100% local, open-source, and GDPR compliant. No user accounts, no tracking, no external servers.

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