Univik MailMeter Converter Univik MailMeter Converter

Excellent Excellent 4.8 TrustRating (412 Verified Reviews)

Convert Waterford MailMeter EML ZIP Exports to Any Format

Professional Windows software to convert Waterford Technologies MailMeter EML ZIP and PST exports — per-user ZIP archives with Exchange folder structure — to MBOX, MSG, PDF, HTML and 10+ formats. Reads the MailMeter audit trail CSV automatically for GDPR compliance. Direct ZIP loading with complete metadata and attachment preservation.

  • Reads MailMeter EML+ZIP and PST exports directly — including the audit trail CSV for GDPR documentation.
  • Converts to Outlook PST, MBOX, MSG, PDF, HTML and 10+ output formats.
  • Audit trail CSV preservation — GDPR Article 30 records of processing embedded in converted output.
  • 100% offline — MailMeter export data never leaves your machine.

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*Free trial converts first 25 emails per archive. Upgrade for unlimited conversion.

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EML+ZIP Input
10+ Export Formats
Attachments Preserved
Audit Trail CSV
100% Offline

 What Gets Preserved

Everything Your MailMeter Archive Contains

Every piece of information in your MailMeter export is carried through to the output format without loss.

 Key Features

Built Specifically for MailMeter Archive Exports

Every feature is designed around how MailMeter structures its archive exports.

MailMeter EML+ZIP Export Handling

Waterford MailMeter exports user archives as ZIP files containing EML files organised in sub-folders matching the original mailbox folder structure. The converter loads these ZIP archives directly without manual extraction, preserving the complete folder tree in all output formats.

Original Folder Structure Preserved

MailMeter preserves the original Exchange folder hierarchy in the EML export: Inbox, Sent Items, Drafts, Deleted Items and all custom folders. The converter recreates this hierarchy exactly in the output format. Users find archived emails in the correct folders after migration to M365 or Google Workspace.

Audit Trail CSV Integration

MailMeter generates an audit trail CSV alongside every export for GDPR compliance and regulatory reporting. The converter reads this CSV and cross-references it with the converted output to confirm completeness. Audit trail data is embedded in the output metadata for downstream compliance workflows.

Batch Multi-User Conversion

Load all per-user ZIP archives exported from MailMeter at once. Converts every user's archive in a single pass producing one PST, MBOX or other output file per user. Popular with EMEA IT teams migrating UK and Irish organisations off MailMeter to Microsoft 365.

EML to PST Conversion

MailMeter EML exports cannot be opened directly in Outlook. The converter converts MailMeter EML ZIP archives to fully importable PST files with all messages, folder structure, attachments and headers preserved. No Outlook installation required on the conversion machine.

100% Offline Processing

Once the ZIP files are downloaded from the MailMeter server, no MailMeter server connection, admin portal login or internet access is required. All conversion runs locally. Email data never leaves the secure conversion environment.

Complete Header Preservation

All email headers carried through: RFC 5322 standard headers, MailMeter-added X-headers, original Exchange routing headers and anti-spam results. Full header chain preserved for legal admissibility and GDPR compliance productions.

Preview with Folder Navigation

Browse the complete folder tree from any MailMeter export before converting. Navigate Inbox, Sent, custom folders. Apply date range or sender filters. Verify message counts per folder before committing to conversion.

M365 Import Ready

PST output imports directly into Microsoft 365 via the Import Service. Per-user PST files map to per-user M365 mailboxes for seamless MailMeter-to-M365 migration. The most common migration path for UK and Irish MailMeter customers.

PST Export Support

Also handles MailMeter PST export format (available in recent MailMeter versions). Converts PST to MBOX, EML, PDF or other formats for Google Workspace migration or compliance archiving.

Conversion Report

Generates a detailed report after each conversion listing messages processed, audit trail CSV match status, attachment counts and any errors. Provides the documentation trail needed for GDPR Article 30 records of processing during MailMeter migration.

No MailMeter Client Required

No Waterford Technologies MailMeter client, server agent or portal login needed on the conversion machine. Reads MailMeter ZIP and PST export files as standalone archives, deployable on any Windows PC.

 Complete Preservation

Every Field Preserved

All message metadata, headers and structural information carried intact from MailMeter to your target format.

EML files from ZIP archives
Folder hierarchy (all levels)
Inbox, Sent, Drafts, Deleted
Custom folder names
Audit trail CSV metadata
Message inventory data
Attachments (all types)
Inline images
RFC 5322 headers
MailMeter X-headers
Message-ID & threading
Sent/Received timestamps
CC and BCC recipients
Anti-spam results
Conversation threads
Contact cards

 How It Works

Convert Your MailMeter Archive in 4 Steps

From MailMeter export to your chosen format in minutes.

1

Export from MailMeter

In the MailMeter admin portal or server console, go to Export or User Archive Export, select the users and date range, choose EML or PST output format, set the destination path and run the export job.

2

Collect Export Files

Download the per-user ZIP files and the audit trail CSV from the MailMeter server export output directory to your local machine.

3

Load into Converter

Open Univik MailMeter Converter, click Add Files or Add Folder and select all ZIP archives and the audit trail CSV. The converter reads the CSV for completeness cross-referencing.

4

Choose Format and Convert

Select PST, MBOX, EML, PDF or any of 10+ output formats. Click Convert. One output file per user with folder structure preserved.

 Platform Compatibility

Works With All Major Platforms

Output files open directly in all major email clients and import into all cloud migration platforms.

📮

Microsoft Outlook

2010–2024

☁

Microsoft 365

Exchange Online

💌

Thunderbird

All versions

📈

Google Workspace

Gmail import

🏠

Apple Mail

macOS & iOS

🔎

eDiscovery Platforms

Relativity, Nuix

📄

PDF Viewers

Adobe, Foxit

🔌

Migration Tools

BitTitan, AvePoint

 Why Convert

Why IT Teams Choose Univik

Purpose-built for enterprise MailMeter migrations and eDiscovery workflows.

📦

ZIP-Native Loading

Loads MailMeter ZIP exports directly. No manual EML extraction or file preparation before conversion.

📄

Audit Trail Validation

Reads the MailMeter audit trail CSV and validates every converted message. GDPR compliance documented before decommissioning.

📂

Folder Structure Intact

All custom folders, Inbox, Sent and Drafts recreated in the output. Users find emails where expected in M365 or Google Workspace.

🔒

Offline & Secure

No MailMeter server access after export. Runs standalone on any Windows machine.

✅

EMEA Market Leader

Specifically tested against MailMeter's UK and Irish Exchange archiving deployments. The most common MailMeter export patterns handled correctly.

🌐

M365 & Google Ready

PST imports via M365 Import Service. MBOX imports into Google Workspace. Standard MailMeter migration path covered.

 Output Formats

10+ Output Formats

PST imports into Outlook or M365. MBOX imports into Google Workspace. PDF output is ideal for GDPR data portability responses and MailMeter decommissioning compliance documentation.

📊

PST

Outlook / M365

💌

MBOX

Thunderbird

📧

EML

Per message

📄

MSG

Outlook message

📄

PDF

Compliance archive

📃

HTML

Web viewable

📊

CSV

Metadata export

🔧

EMLX

Apple Mail

📅

ICS

Calendar items

🔌

VCF

Contact cards

 Professional Use Cases

Who Uses MailMeter Converter

Trusted by IT administrators, MSPs, legal teams and compliance professionals worldwide.

🏚

MSPs in UK & Ireland

MSPs handling MailMeter-to-M365 migrations for UK and Irish clients. Batch convert all user ZIP exports to PST. Per-user PST files load directly into the M365 Import Service.

📈

Organisations Moving to M365

UK and Irish organisations decommissioning Waterford MailMeter and migrating to Microsoft 365 or Google Workspace. Convert multi-year archives offline before cancelling MailMeter.

⚖

GDPR Compliance Teams

Converting MailMeter archives to PDF or EML for GDPR data subject access requests. Audit trail CSV cross-reference confirms completeness for data protection officer review.

💼

IT Administrators

IT admins decommissioning MailMeter servers. Convert all user archives offline with audit trail validation before powering down the MailMeter infrastructure.

📋

Legal & Investigations

Converting MailMeter archives for internal HR investigations or legal proceedings. Offline conversion with full Exchange header chain preserved for legal admissibility.

📚

Records Managers

Creating PDF or PST archives from MailMeter exports for GDPR Article 17 retention obligations. Audit trail metadata preserved throughout for records management continuity.

 Customer Reviews

Trusted by Enterprise IT Teams

Verified reviews from IT administrators and compliance professionals.

“
★★★★★

Migrating 200 MailMeter users to Microsoft 365 for an Irish professional services firm. ZIP-to-PST conversion was straightforward and the M365 Import Service accepted every file first time. Audit trail CSV gave the DPO the completeness evidence she needed for GDPR documentation.

SB

Sean B.

MSP Engineer, Dublin

“
★★★★★

Our MailMeter server was approaching end of life with 5 years of Exchange archives. The batch conversion completed overnight. Every custom folder came through perfectly in Outlook. The audit trail cross-reference showed zero missing messages.

FM

Fiona M.

IT Manager, Accountancy Firm, Cork

“
★★★★★

GDPR subject access request for a former employee required 3 years of MailMeter archived email. PDF output with headers satisfied the data protection authority on first submission. Saved significant legal costs.

DT

David T.

Data Protection Officer, UK Insurance Group

 Simple Pricing

Choose Your License

One-time payment, lifetime license. No subscription fees. Free updates included.

Free Trial

$0

Try before you buy

  • 25 emails per archive
  • All 10+ export formats
  • Full preview features
  • No time limit
Download Free

Personal License

$29/lifetime

Most popular

  • Unlimited conversion
  • All 10+ export formats
  • 1 PC activation
  • Free lifetime updates
  • Email support
Buy Personal — $29

Business License

$99/lifetime

For MSPs & teams

  • Everything in Personal
  • 5 PC activations
  • Commercial use allowed
  • Priority phone support
  • Volume discounts available
Buy Business — $99

 Help Desk

Frequently Asked Questions

Common questions about converting MailMeter email archive exports.

Both MailMeter export formats: (1) EML+ZIP — MailMeter's primary export, a ZIP archive per user containing EML files in sub-folders matching the Exchange folder structure; (2) PST — available in recent MailMeter versions. The converter also reads the audit trail CSV included in every MailMeter export for completeness cross-referencing and GDPR documentation.

Yes, completely. MailMeter preserves the original Exchange folder hierarchy in the EML export. The converter reads the sub-folder structure from the ZIP and recreates Inbox, Sent Items, Drafts, Deleted Items and all custom folders exactly in the output. In PST output, folders appear in Outlook as they did in Exchange. In MBOX output, folder names are preserved as labels for Google Workspace import.

Yes — this is the most common MailMeter migration path for UK and Irish organisations. Convert each user's MailMeter ZIP export to PST. PST files upload directly to Microsoft 365 via the Import Service (network upload or drive shipping). One PST per user maps to one M365 mailbox with folder structure preserved.

MailMeter generates an audit trail CSV alongside every export listing every archived message with sender, recipient, date, subject and size. This CSV is used for GDPR compliance documentation, proving what data was exported and to whom. Univik MailMeter Converter reads this CSV and cross-references it against the converted output to confirm completeness. Audit trail data is embedded in the output metadata for downstream compliance workflows.

No. Once the ZIP or PST files are exported from MailMeter and copied to local disk, no MailMeter server, admin portal login or internet access is required. Conversion runs completely offline. The MailMeter server can be decommissioned before conversion is complete.

Yes. Convert MailMeter ZIP exports to MBOX format. MBOX output imports directly into Google Workspace using Google's migration tools or BitTitan. MailMeter folder names are preserved as MBOX labels for Google Workspace label assignment.

Minimal requirements:

  • OS: Windows 11, 10, 8.1, 8 or 7
  • RAM: 4 GB minimum (8 GB recommended for large multi-user exports)
  • Disk: 50 MB installation plus space for output files
  • Framework: .NET Framework 4.8 or higher

No MailMeter client, Outlook or internet connection required.

Free trial converts the first 25 messages per archive. All features fully functional: ZIP loading, folder structure preservation, audit trail CSV reading, all 10+ output formats and preview. No time limit.

Steps: (1) Log into the MailMeter admin portal or server console, (2) Go to User Archive Export or Export, (3) Select users and date range, (4) Choose EML or PST output format, (5) Set the destination folder path, (6) Run the export, (7) Collect the per-user ZIP files and audit trail CSV from the output folder, (8) Load into Univik MailMeter Converter.

Yes. Waterford Technologies MailMeter is particularly popular in Ireland and the UK, where it has a large installed base among medium-sized organisations in professional services, local government and healthcare. Many of these organisations are actively migrating to Microsoft 365. Univik MailMeter Converter is specifically tested against the Exchange archiving configurations typical of UK and Irish MailMeter deployments.

Still have questions? Contact support or Live Chat

Ready to Convert Your MailMeter Archive?

Download the free trial and join thousands of IT professionals who trust Univik for MailMeter email archive conversion.

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✓ Free trial (25 emails)   ✓ No credit card required   ✓ Instant download   ✓ Windows 7–11