Works inside Outlook. No new apps to learn.
Your Inbox is a Source of Truth.
Turn your Outlook folders into an automated, audit-ready timeline of every interaction. Zero dragging required. Export comprehensive, chronological PDF records in one click.
No credit card required · 7-day free trial
Search bars are messy. CRMs are complicated.
Search gives you a dump of hundreds of emails—mixed with calendar invites and noise. You piece the story together by hand. Standalone CRMs promise order, but they live in another app. Someone has to log every email, update every field, and keep it in sync. When they don’t, you get gaps, sync errors, and “I thought I updated that.” The record you need is scattered or stale.
What if the ledger lived where you already work? MailLedger runs inside Outlook. No new tool, no double entry, no chasing the team to update a separate system. Your inbox becomes the source of truth—one folder per project, client, or deal, auto-filed and ready to export in one click. The box you’re already in is the only box you need.
The Current Chaos
MailLedger in Outlook
From: Chris Smith <csmith@client.com>
To: me
Subject: Request: Revised scope for Section 2
We need to expand Section 2 per the walkthrough. Can you send a revised scope and pricing by end of week? We'll need it in writing for our records.
Chris
Zero dragging. Zero tagging. Zero data entry. No separate CRM.
MailLedger lives inside Outlook. You and your team keep using the inbox exactly as you do today—we file everything in the background. No new tab, no app switching, no chasing updates in another system. The record builds itself in the box you’re already in.
A complete record of truth.
The Self-Building CRM
Don’t have time to update Salesforce or HubSpot? MailLedger turns Outlook folders into a living record. Every incoming and outgoing message is automatically filed. It’s a CRM that builds itself.
Audit-Ready History
Never lose a paper trail again. Whether it’s a vendor dispute or a client change order, trust that your ledger is complete. Every reply and attachment is accounted for. You have the full story when it matters.
Instant Onboarding
Handing a project off? Don’t forward 50 separate emails. Share the MailLedger folder. New team members get the entire chronological history in seconds.
No Training Required
Since there is no new interface to learn, onboarding is instant. Just connect Outlook and go back to work. It just works.
One-Click Export
Need to prove a change order or prepare for discovery? Generate a clean, time-stamped PDF or CSV of an entire project history in seconds. Your data is always yours.
Built for teams whose timelines matter.
Construction & Procurement
Defend profit margins against unrecorded change orders.
Legal & Compliance
Instant, exportable audit trails for discovery and disputes.
Client Services
Seamless account handoffs. No forwarding required.
Real Estate
One folder per deal. Never lose the thread.
Agencies
One folder per client. Brief to approval in one place.
Enterprise-grade security
We prioritize privacy by design. MailLedger processes message headers to organize your history, but we never store your email bodies. SOC2 compliant, Microsoft verified, and encrypted.
Own the evidence.
Choose Starter for filing and Send & File. Choose Pro when you also need one-click PDF and CSV exports.
Starter
Smart filing for Outlook teams that need the thread in the right folder every time.
- File messages and threads in Outlook
- Send & File for outgoing email
- Folder lookup by project, client, or deal
- Works on Outlook on the web and desktop
Pro
Everything in Starter, plus export-ready evidence when you need to prove what happened.
- Everything in Starter
- One-click PDF exports
- One-click CSV exports
- Best fit for audit-ready mail histories
Secure payment via Stripe. Cancel anytime.
Already subscribed? Manage billing