Univik Migration Services
Univik provides professional MailEnable email migration services for businesses and hosting providers moving away from MailEnable. We migrate to Microsoft 365, Google Workspace, Exchange, Zimbra and other platforms with zero downtime and complete data integrity.
Migration Destinations
Microsoft 365
Google Workspace
Exchange Server
Zimbra
Zoho Mail
MailEnable Upgrade
PST Export
MBOX Export
300+
MailEnable Migrations
30K+
Mailboxes Migrated
100%
Data Integrity
2013
Since
MailEnable Editions
We migrate from all editions of MailEnable - Enterprise Premium, Enterprise, Professional and Standard.
Enterprise Premium
Full-Featured Edition
Professional & Standard
Core Editions
Hosting & Windows
Server Installations
Migration Destinations
Office 365 (Microsoft 365), Google Workspace or Exchange: name the destination. Reading MailEnable out is the part we bring.
Microsoft 365
Exchange Online, Outlook
Google Workspace
Gmail, Google Calendar
Exchange Server
On-Premises Exchange
Other Platforms
Zimbra, Zoho and More
File Format Exports
Export MailEnable mailboxes to standard file formats for archival or import elsewhere.
MailEnable to MailEnable
Migrate between MailEnable installations for upgrades, consolidation or server moves.
Data Migration
Whole postoffices at a time: mail, contacts, calendars and lists, verified mailbox by mailbox.
Emails
All Messages & Folders
Contacts
Personal & Shared
Calendars
Events & Scheduling
Tasks
To-Do Items
Lists & Groups
Distribution Lists
Metadata
Properties & Flags
Migration Scenarios
Why businesses migrate from MailEnable and how we help with each situation.
Cloud Adoption
Moving from self-hosted MailEnable on Windows Server to Microsoft 365 or Google Workspace for better collaboration and reduced maintenance.
Windows Server EOL
Windows Server version reaching end of support. Time to migrate email to cloud platform rather than upgrading server infrastructure.
Cost Optimization
MailEnable licensing and Windows Server costs adding up. Cloud platforms offer predictable per-user pricing with included features.
Hosting Provider Change
Switching Windows hosting providers or moving from shared MailEnable hosting to dedicated cloud platform.
Enterprise Features
Business outgrowing MailEnable capabilities. Need enterprise features like advanced compliance, eDiscovery and DLP.
Version Upgrade
Upgrading MailEnable to newer version on new server. Clean migration preferred over in-place upgrade for reliability.
How MailEnable Thinks
MailEnable grew up in hosting racks, so it organizes the world into postoffices: one per customer or domain, each a self-contained mail estate. Migrations that respect that structure go well.
Mail lives in MAILROOT
Postoffices\[name]\MAILROOT\[mailbox] holds each account's folders with one plain text .MAI file per message. The mail half of a postoffice is an ordinary directory tree you can count.
Identity lives in Config
Accounts, address maps, aliases and DKIM keys sit apart under Config\Postoffices and Config\DKIM as readable TAB files. Copy MAILROOT without its Config half and you have mail with no addresses attached.
Hosters exit per postoffice
Because each postoffice is self-contained, an ISP or reseller can move customers one at a time: each postoffice becomes its own Microsoft 365 tenant or Workspace domain on its own schedule.
Format Reality
Inside every .MAI file is a standard RFC 822 message: headers, body, attachments, all text. The MailEnable community has traded on that fact for years.
| What admins learned | What it means for your exit |
|---|---|
| .MAI equals renamed .EML | The documented import trick runs in reverse too: message content converts to any destination without loss because it was standard MIME all along. |
| _index.xml is the folder's memory | Each folder carries an index sidecar. Deleting it forces MailEnable to rescan, which is how dropped-in messages appear. For exits it means counts must come from files, not stale indexes. |
| A folder copy is a complete backup | A dead server stops nothing. As long as the Postoffices directory and its Config sibling were copied off the disk, every mailbox in them can still reach Microsoft 365 or Google Workspace. |
| Webmail extras live elsewhere | Contacts and calendars from MailEnable webmail are not .MAI mail; they need their own export pass as vCard and ICS so they arrive as real contacts and events. |
Field Notes From the Vendor KB
The official downloads help you arrive at MailEnable or shuffle between MailEnable servers. The vendor KB also documents exactly where server moves go wrong.
The tools that exist
Postoffice Extract moves configuration between MailEnable servers. The ICS and VCF importers bring calendars and contacts in. The IMail converter converts toward MailEnable. Outbound to Microsoft 365 or Google: nothing shipped.
The permissions trap
Copied stores arrive without the IME_ADMIN and IME_STORE_GROUP grants and services fail quietly until icacls repairs them. Our store-level runs apply the ACL repair before the first read.
The password key trap
With password encryption enabled, account credentials only decrypt if the registry key from the old server is exported and imported. Miss it and every mailbox looks locked. It is on our checklist so it never becomes a surprise.
The provider mismatch
Configuration can live in TAB files or in SQL Server or MySQL through providers. Knowing which one your install uses decides how the account inventory is read. We check before quoting, not after starting.
Fair Warning
Some situations do not justify a project. We would rather say it here than on an invoice.
One postoffice, few mailboxes
A single small domain moves over IMAP with any capable client or tool in an afternoon. Keep the money.
MAILROOT already in hand
Holding a copied store and wanting files? A desktop .MAI converter delivers PST or other formats for a license fee. Ask and we will point at the right one.
MailEnable still earns its keep
The product is maintained and the Standard edition costs nothing. A patched server on a domain that works is a fine place to stay.
The quote starts making sense at multiple postoffices, webmail calendars people rely on, encrypted credential stores or mailbox counts that make one-by-one absurd.
Where Things Go
Each MailEnable structure has a named destination in the written plan. These defaults start the conversation.
Postoffices
Each becomes a tenant or a domain at the destination. Multi-tenant hosters get a per-postoffice schedule so customers move independently.
Address maps and aliases
The TAB configuration is the source of truth. Every alias and mapping is recreated at the destination before MX changes so old addresses keep delivering.
Webmail contacts and calendars
Exported as vCard and ICS, then imported as native contacts and events with recurrences preserved rather than flattened.
Lists and groups
MailEnable list definitions become distribution groups with membership intact so the same announcement reaches the same inboxes.
DKIM and sending identity
Old DKIM keys retire with the server. Fresh keys are generated at the destination and DNS is updated in the cutover sequence, keeping deliverability unbroken.
Server-side filters
MailEnable filtering does not import anywhere. Users receive their rules as a checklist beside the setup sheet, ten minutes of clicking instead of a month of confusion.
Your Concerns
Common questions and concerns about migrating from MailEnable.
"Will there be downtime?"
A quiet switch. Copying happens beside a live server and the flip itself fits in an evening. Monday's inbox simply loads from somewhere new.
"Will I lose any data?"
100% Data Integrity. We migrate all emails, contacts, calendars and tasks. Folder structure preserved. We verify data counts before and after migration.
"How much does it cost?"
$15 per mailbox opening rate. Free assessment, fixed quote, invoice after the counts verify. Nothing else appears later.
"How long will it take?"
Depends on Size. 1-50 mailboxes: 1-3 days. 50-200 mailboxes: 3-7 days. 200+ mailboxes: 1-2 weeks. We can work nights/weekends to minimize disruption.
"What about multiple domains?"
Full Multi-Domain Support. MailEnable's post office structure is fully supported. We migrate all domains and can route them to same or different destinations.
"Is our data secure?"
Wire-level protection. TLS transfers, optional NDA and working copies wiped at sign-off.
How It Works
A proven 6-step process that moves your MailEnable data cleanly with minimal disruption.
Assessment
Editions, postoffice list, provider type and webmail usage go into the survey. Out comes the plan and a quote that will not move.
Planning
Create migration schedule, set up destination environment, configure connections. Plan domain cutover sequence for multi-domain installations.
Pre-Migration
The long copy runs against the live server, postoffice by postoffice, while everyone keeps working.
Verification
Counts rule the schedule: mailbox and folder totals plus sampled content matched before any cutover date is honored.
Delta Sync
A closing delta gathers the mid-project arrivals and the MX record then routes mail to its new home.
Cutover & Support
The record flips, setup sheets go out and we stay on call through the settling-in weeks.
Typical Migration Timeline
1-3 Days
1-50 Mailboxes
3-7 Days
50-200 Mailboxes
1-2 Weeks
200+ Mailboxes
Minutes
Final Cutover
Pricing
Migration Pricing
Transparent per-mailbox pricing with volume discounts. Free assessment included.
Small
$15
Per mailbox
Standard
$12
Per mailbox
Business
$10
Per mailbox
Enterprise
Custom
Contact for quote
What is Included
All pricing includes: emails, contacts, calendars, tasks, distribution lists, folder structure, delta sync, verification and post-migration support. No hidden fees.
FAQ
Frequently Asked Questions
Answers to common questions about MailEnable email migration.
Success Stories
MailEnable Migration Case Studies
Real MailEnable migration projects we have completed for businesses.
Accounting Firm
CPA firm migrating from MailEnable Professional on Windows Server 2012 to Microsoft 365 before server EOL deadline.
55
Mailboxes
120GB
Data
3 Days
Completed
Result: Zero downtime weekend migration. Server decommissioned. Firm now fully cloud-based.
Creative Agency
Design agency moving from MailEnable Standard to Google Workspace for better collaboration with Drive and Meet.
28
Mailboxes
45GB
Data
2 Days
Completed
Result: Smooth transition to Gmail. Team collaboration improved immediately with integrated Google tools.
Property Management
Property company with 4 post offices (domains) on MailEnable Enterprise migrating all to Microsoft 365 Business Premium.
4
Domains
95
Mailboxes
5 Days
Completed
Result: All 4 domains migrated with coordinated DNS cutovers. Unified management console.
Healthcare Practice
Medical practice with MailEnable on aging Windows Server 2016 migrating to M365 before extended support ends.
42
Mailboxes
85GB
Data
2 Days
Completed
Result: Migrated ahead of server EOL deadline. HIPAA-compliant M365 configuration. Server retired.
Law Firm
Law firm upgrading from MailEnable 8 on old server to MailEnable 10 on new Windows Server 2022 hardware.
68
Mailboxes
175GB
Data
3 Days
Completed
Result: Clean migration to new server preferred over in-place upgrade. Fresh installation with all data preserved.
Financial Services
Financial company exporting all MailEnable mailboxes to PST files for long-term compliance archival before cloud migration.
125
Mailboxes
380GB
Data
4 Days
Completed
Result: All mailboxes exported to individual PST files for 7-year regulatory retention. Then migrated to M365.
Reviews
What Clients Say
David Wilson
IT Manager, CPA Firm
"Our Windows Server was reaching end of life and we needed to move fast. Univik migrated our entire MailEnable setup to Office 365 in one weekend. Zero issues and all our historical emails came over perfectly."
Sarah Miller
Office Admin, Design Agency
"Moving from MailEnable to Google Workspace was the best decision. Univik handled the entire migration smoothly. Our team now has Gmail, Drive and Meet all integrated. Collaboration has improved so much!"
Robert Johnson
CTO, Property Mgmt
"4 domains, 95 mailboxes and years of email history - Univik migrated it all from MailEnable Enterprise to M365 without a hitch. They coordinated the DNS cutovers perfectly. Highly recommend their team."
GET STARTED
Ready to Migrate From MailEnable?
Tell us how many postoffices and where they are going. Your quote returns within 24 hours.
About Univik
Univik is an email migration and digital forensics company founded in 2013.
With 12+ years experience and 300+ successful MailEnable migrations, we have helped businesses move from MailEnable on Windows Server to modern cloud platforms. Our team includes certified migration specialists with deep expertise in MailEnable architecture and major destination platforms. We serve clients in 89+ countries.
MailEnable Migration Experts
300+ MailEnable Migrations
12+
Years
300+
MailEnable Migrations
30K+
Mailboxes
89+
Countries
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