● IceWarp - Email & Collaboration · Cloud or on-prem

The complete suite, your way.

IceWarp combines email, TeamChat, online documents, calendars and meetings in one suite — with real-time co-editing and Outlook sync without a plugin, deployed in the cloud or on your own infrastructure.

Up to 50% lower cost Cloud or self-hosted
AI BuddyYour everyday AI hero
Email · Chat · Docs
AD
Suggest a reply to Jane about the Hormel order
Why IceWarp

One suite instead of five subscriptions.

Lower total cost

Consolidate email, chat, docs and meetings — often at up to half the cost of the incumbents.

Digital sovereignty

Self-host to keep full control of your data and meet local compliance.

Familiar experience

Users keep Outlook and a modern web client — adoption without retraining.

One suite

Everything your team needs to work together.

Email, chat, documents and meetings — integrated, branded and run wherever you choose.

Email server

A reliable, secure mail server with anti-spam, anti-virus, archiving and full standards support.

TeamChat

Channel-based team messaging with file sharing, mentions and integrations built in.

Online documents

Create and co-edit documents, spreadsheets and presentations in real time, in the browser.

Calendars & contacts

Shared calendars, scheduling and global address books across the whole organisation.

Online meetings

Browser-based video meetings and webinars — no separate conferencing tool required.

Outlook sync (no plugin)

Native Outlook support without a connector, plus a modern desktop and mobile client.

Security & archiving

Anti-spam, anti-virus, encryption and compliant archiving keep communication safe.

Easy migration

Migration tools move you off legacy platforms with minimal disruption.

Cloud or on-prem

Run IceWarp as a managed cloud service or fully self-hosted — your data, your choice.

Desktop & apps

Choose how you work.

Stay productive on every device — web, desktop and mobile, online or offline.

Desktop Suite

Desktop Client and Desktop Office together — manage mail, calendars, chat and meetings, and create documents, fully productive online or offline.

WindowsmacOS

Desktop Client

Email, contacts, calendars, tasks, notes, chat and calls in one app — an efficient alternative to Outlook that keeps working even offline.

WindowsmacOS

OutlookSync

Keep using Outlook. Sync email, calendar, tasks and notes with IceWarp and keep the familiar interface — no plugin to wrestle with.

OutlookWindows

Mobile apps

Work from anywhere — email, TeamChat, conferences and notes on mobile, with Apple CarPlay and Android Auto to join meetings on the move.

iOSAndroid (early 2026)
Microsoft ecosystem

Fits right into your Microsoft world.

Keep Outlook, Office formats and Active Directory — IceWarp harmonizes with your existing Microsoft setup, including running hybrid alongside Microsoft 365.

Desktop Suite

Email, contacts, calendars, tasks, notes, chat and conferences on your desktop — synced via IMAP, CalDAV, WebDAV and EWS, online or offline.

Microsoft Office formats

Create and edit Word, Excel and PowerPoint files using Open XML — documents move between IceWarp and Office with no loss of formatting.

Exchange ActiveSync

Native EAS keeps email, calendar and contacts in sync on iOS and Android — just add an Exchange account on the phone and you're up to date.

Sync to Outlook

OutlookSync syncs email, calendar, tasks and notes with Outlook (up to 2021) — keep the Outlook experience you know, powered by IceWarp.

Microsoft sign-in & guest sharing

Log in with a Microsoft account via OAuth 2.0 / OpenID Connect with two-factor auth, and share files or folders securely with external guests.

Active Directory

Add or remove users in AD and the changes sync automatically to IceWarp — with sync settings and intervals you can tune to your organization.

Hybrid with Microsoft 365

Run IceWarp and Microsoft 365 side by side on one domain, allocating users by need to optimize licensing costs with centralized management.

Hyper-V & Windows Server

Install on Windows Server with built-in SQLite or MySQL, and a preconfigured Hyper-V package for fast, simple virtualization.

Migration

Move to IceWarp with zero downtime.

Bring email, contacts, calendars and files across from your current platform in a few clicks — automated, de-duplicated and fully logged, with managed assistance if you want it.

Migrate from
Microsoft 365Google WorkspaceMicrosoft ExchangeKerioAxigenZimbraMDaemon
What gets migrated
Domains
User accounts
Email messages
Contacts
Calendars
Files
Documents
Migration journey
1

Prepare your source

Confirm admin access and credentials for your current platform.

2

Prepare IceWarp

Provision your IceWarp environment and admin account.

3

Set up the migration tool

Pick the migrator for your source and configure scope and performance.

4

Plan your migration

Schedule the move and list the accounts and items to transfer.

5

Run & validate

Migration runs automatically with zero downtime — then verify data integrity.

6

Switch to IceWarp

Point your DNS to the new server and you're live.

Use cases

Built for every kind of team.

One suite, delivered the way each organization needs it — sovereign, branded, affordable or fully managed.

Government

Sovereign email & collaboration you fully control

Keep citizen and staff communication on infrastructure you own — meeting data-residency and compliance rules without giving up features.

How it's used

Self-host the full suite on-prem or in a national cloud, and enforce archiving, retention and encryption for public-records and GDPR obligations.

100%self-hosted · data stays in-country
Education

One affordable suite for students and staff

Give every student and teacher email, chat, shared documents and meetings — branded for your institution and easy to run at scale.

How it's used

Provision thousands of mailboxes from your directory, set per-role policies for students vs staff, and hold classes in browser meetings — no extra tools.

~50%lower cost vs incumbent suites
Enterprise

Consolidate five subscriptions into one suite

Replace separate mail, chat, document and meeting tools with a single integrated platform — while users keep Outlook and a modern web client.

How it's used

Migrate off legacy platforms with built-in tools, sync natively to Outlook without a plugin, and co-edit documents in real time across teams.

5-in-1mail · chat · docs · calendars · meetings
Telecom & Providers

Launch branded collaboration as a service

Offer multi-tenant, white-label email and collaboration to your customers from one platform that scales to very large estates.

How it's used

Spin up isolated tenants per customer, brand the webmail and apps end-to-end, and bill per mailbox — all administered centrally.

Multi-tenantwhite-label · millions of mailboxes
Small business

Enterprise collaboration without the complexity

Get professional email, shared documents, chat and meetings at a predictable price — fully managed for you in the cloud.

How it's used

Start in the cloud with per-mailbox pricing, keep your domain and Outlook, and add users as you grow — with no servers to run.

Cloudlive in minutes · predictable pricing
Healthcare

Compliant communication for clinical teams

Secure email, archiving and collaboration for hospitals and clinics — keeping patient communication private and auditable.

How it's used

Self-host to keep PHI in your environment, enforce encryption and compliant archiving, and give staff one secure place to message and meet.

Encryptedarchiving & audit ready
FAQ

Frequently asked questions.

What is IceWarp?
IceWarp is an all-in-one collaboration platform that brings email, messaging, video conferencing, file sharing and real-time document collaboration into a single interface — turning your browser into a virtual desktop.
Can I run IceWarp on my own hardware?
Yes. IceWarp offers both cloud and self-hosted deployments, so you can run it on your own servers with full control over data and security. Optional cloud microservices boost performance for conferencing and document editing while your data stays in your infrastructure.
What pricing plans are available?
Startup from $23/month (fixed) for up to 10 users · Business at $3.50/user/month for up to 500 users, with 200 GB email and 1 TB file storage each · custom Enterprise pricing above 500 users.
Is there a free trial?
Yes — try IceWarp free for 30 days with full access to every feature.
Can I migrate from another service?
Yes. A fully managed migration service moves your data from Microsoft Exchange, Microsoft 365, Google Workspace, Zimbra and other platforms with minimal disruption.
How does IceWarp compare to competitors?
It's a full-featured alternative to Microsoft 365 and Google Workspace — email, collaboration and conferencing in one platform, typically at a more affordable, predictable price.
What support is available?
Several plans, including 24/7 assistance for enterprise customers, with help via email, phone and online chat.
Which apps are available?
A browser-based web client, desktop apps (Desktop Suite, Desktop Client and OutlookSync) and mobile apps for email, chat, conferences and notes.
How it stacks up

IceWarp vs. the alternatives.

A consolidated, sovereign collaboration suite — compared to the platforms teams evaluate most.

Capability IceWarpSuite Microsoft 365Cloud Google WorkspaceCloud ZimbraLinux
Self-hosted option (data sovereignty)
Email + chat + docs + meetings in onePartial
Outlook support without pluginPartialConnector
Real-time document co-editingPartial
Predictable, lower licensing costPartial
White-label / branded for providersPartial
Built-in migration tools

// comparison based on publicly available vendor information; capabilities vary by edition and configuration.

Editions

Deploy your way.

The same suite, delivered as a managed cloud service or fully self-hosted.

Cloud

IceWarp Cloud

A fully managed suite with predictable per-mailbox pricing and no infrastructure to run.

  • Email, chat, docs, meetings
  • Managed & auto-updated
  • Per-mailbox subscription
Start trial
Most popular
On-prem

Self-hosted

Run the full suite on your own infrastructure for maximum control and sovereignty.

  • Everything in Cloud
  • Full data sovereignty
  • White-label branding
Contact sales
For providers

Service Provider

Multi-tenant, branded collaboration for hosting providers and MSPs.

  • Multi-tenant administration
  • Branded for your customers
  • Scales to large estates
Contact sales
Network365 · Authorized distribution

Consolidate your collaboration stack.

Start a free trial, or talk to Network365 about migrating to and running IceWarp in your environment.