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Discover World’s Most Unified Email,
Messaging and Collaboration Solution

Your data will be stored in
Czech Republic, Prague (TTC Teleport)
United States, Reston VA (CoreSite)
Germany, Nürnberg (Hetzner Online)
Itálie, Milán (Caldera)
  • Get started in just 4 easy steps
  • E-mail, Planning, TeamChat, Documents
  • 20 GB shared storage
  • All apps available
  • Your own domain at onice.io with custom user interface design
  • Private IP address and data stored in selected datacenter

Feature Comparison

Compare IceWarp with our Competitors

E-mail, Calendaring & Integration

Exchange
Zimbra
Open Xchange
Kerio Connect
Office 365
Google Apps
Slack
Exchange
Zimbra
Open Xchange
Kerio Connect
Office 365
Google Apps
Slack
Exchange
Zimbra
Open Xchange
Kerio Connect
Office 365
Google Apps
Slack
Exchange
Zimbra
Open Xchange
Kerio Connect
Office 365
Google Apps
Slack
Exchange
Zimbra
Open Xchange
Kerio Connect
Office 365
Google Apps
Slack
Exchange
Zimbra
Open Xchange
Kerio Connect
Office 365
Google Apps
Slack
Exchange
Zimbra
Open Xchange
Kerio Connect
Office 365
Google Apps
Slack
Max. Number of Domains Unlimited Unlimited 900
Max. Number of Users Unlimited Unlimited 300
Active Directory Support (with SSO)
Archiving
Contacts, Shared and Public (GAL)
Calendars & Resource Management 3rd party
Tasks & Notes Tasks only Tasks only 3rd party
API Integration with External Systems
FTP Access 3rd party
White Label (for ISPs and enterprise customers)

The fact that our clients can use IceWarp on Linux CentOS liberates us from the need to pay for Microsoft Client Access Licenses (CALs).

Lim Seow Keang, CEO of MyTech

TeamChat

Exchange
Zimbra
Open Xchange
Kerio Connect
Office 365
Google Apps
Slack
Exchange
Zimbra
Open Xchange
Kerio Connect
Office 365
Google Apps
Slack
Exchange
Zimbra
Open Xchange
Kerio Connect
Office 365
Google Apps
Slack
Exchange
Zimbra
Open Xchange
Kerio Connect
Office 365
Google Apps
Slack
Exchange
Zimbra
Open Xchange
Kerio Connect
Office 365
Google Apps
Slack
Exchange
Zimbra
Open Xchange
Kerio Connect
Office 365
Google Apps
Slack
Exchange
Zimbra
Open Xchange
Kerio Connect
Office 365
Google Apps
Slack
Public & Private Channels Unlimited Public only
Free Guest Access
API Integration with Web Applications
Real-time Active Directory Sync
Video & Voice Calls (one-on-one) 3rd party 3rd party
Conferencing 3rd party 3rd party
Screen Sharing 3rd party 3rd party
Private Instant Messaging 3rd party

Storage

Exchange
Zimbra
Open Xchange
Kerio Connect
Office 365
Google Apps
Slack
Exchange
Zimbra
Open Xchange
Kerio Connect
Office 365
Google Apps
Slack
Exchange
Zimbra
Open Xchange
Kerio Connect
Office 365
Google Apps
Slack
Exchange
Zimbra
Open Xchange
Kerio Connect
Office 365
Google Apps
Slack
Exchange
Zimbra
Open Xchange
Kerio Connect
Office 365
Google Apps
Slack
Exchange
Zimbra
Open Xchange
Kerio Connect
Office 365
Google Apps
Slack
Exchange
Zimbra
Open Xchange
Kerio Connect
Office 365
Google Apps
Slack
Online Document Editing (Word, Excel, PowerPoint ..) Sharepoint online 3rd party
Opening, Editing & Saving in MS Office (Desktop)
Document Versioning SharePoint Online SharePoint Online 3rd party
Access Control Lists
WebDAV/SMB Protocols WebDav Online WebDav Online WebDav Online WebDav Online 3rd party
External Access to Files via URL Sharing SharePoint Online
Group Sharing

The ability to support various mobile devices, regardless of their operating system, was one of the winning factors.

Joiey Nizar, Sales Director at VizOne

Apps & Mobile Access

Exchange
Zimbra
Open Xchange
Kerio Connect
Office 365
Google Apps
Slack
Exchange
Zimbra
Open Xchange
Kerio Connect
Office 365
Google Apps
Slack
Exchange
Zimbra
Open Xchange
Kerio Connect
Office 365
Google Apps
Slack
Exchange
Zimbra
Open Xchange
Kerio Connect
Office 365
Google Apps
Slack
Exchange
Zimbra
Open Xchange
Kerio Connect
Office 365
Google Apps
Slack
Exchange
Zimbra
Open Xchange
Kerio Connect
Office 365
Google Apps
Slack
Exchange
Zimbra
Open Xchange
Kerio Connect
Office 365
Google Apps
Slack
IceWarp Desktop Office (Desktop Client, Documents, Spreadsheets and Presentations)
Desktop Documents Editing
Desktop Spreadsheets Editing
Desktop Presentations Editing
FileSync client for Windows OneDrive OX drive OneDrive Google Drive 3rd party
FileSync client for Mac OneDrive OX drive OneDrive Google Drive 3rd party
FileSync client for Linux
Mobile Messenger App for iOS Skype Hangouts
Windows Outlook Compatibility
MacOS Compatibility
Exchange ActiveSync support for mobile devices 3rd party
Remote Configuration App for Windows

The support is something that really sets IceWarp apart from all others. We did this project on a very tight schedule and were successful.

Valerie Schafer, IT Director at Z-AXIS

Security

Exchange
Zimbra
Open Xchange
Kerio Connect
Office 365
Google Apps
Slack
Exchange
Zimbra
Open Xchange
Kerio Connect
Office 365
Google Apps
Slack
Exchange
Zimbra
Open Xchange
Kerio Connect
Office 365
Google Apps
Slack
Exchange
Zimbra
Open Xchange
Kerio Connect
Office 365
Google Apps
Slack
Exchange
Zimbra
Open Xchange
Kerio Connect
Office 365
Google Apps
Slack
Exchange
Zimbra
Open Xchange
Kerio Connect
Office 365
Google Apps
Slack
Exchange
Zimbra
Open Xchange
Kerio Connect
Office 365
Google Apps
Slack
Spam Filtering
Integrated Antivirus

Support

Exchange
Zimbra
Open Xchange
Kerio Connect
Office 365
Google Apps
Slack
Exchange
Zimbra
Open Xchange
Kerio Connect
Office 365
Google Apps
Slack
Exchange
Zimbra
Open Xchange
Kerio Connect
Office 365
Google Apps
Slack
Exchange
Zimbra
Open Xchange
Kerio Connect
Office 365
Google Apps
Slack
Exchange
Zimbra
Open Xchange
Kerio Connect
Office 365
Google Apps
Slack
Exchange
Zimbra
Open Xchange
Kerio Connect
Office 365
Google Apps
Slack
Exchange
Zimbra
Open Xchange
Kerio Connect
Office 365
Google Apps
Slack
Online Help
Office Hours Support phone
24/7 Phone Support

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Togo
Tokelau
Tonga
Trinidad and Tobago
Tunisia
Turkey
Turkmenistan
Turks and Caicos Islands
Tuvalu
Uganda
Ukraine
United Arab Emirates
United Kingdom
United States
US Minor Outlying Islands
Uruguay
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Virgin Islands (U.S.)
Wallis and Futuna
Western Sahara
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Montenegro

Contact Us

Select your Country
Afghanistan
Albania
Algeria
American Samoa
Andorra
Angola
Anguilla
Antarctica
Antigua and Barbuda
Argentina
Armenia
Aruba
Australia
Austria
Azerbaijan
Bahamas
Bahrain
Bangladesh
Barbados
Belarus
Belgium
Belize
Benin
Bermuda
Bhutan
Bolivia
Bosnia and Herzegovina
Botswana
Bouvet Island
Brazil
British Indian Ocean Territory
Brunei Darussalam
Bulgaria
Burkina Faso
Burundi
Cambodia
Cameroon
Canada
Cape Verde
Cayman Islands
Central African Republic
Chad
Chile
China
Christmas Island
Cocos (Keeling) Islands
Colombia
Comoros
Congo
Democratic Republic of the Congo
Cook Islands
Costa Rica
Cote D`Ivoire (Ivory Coast)
Croatia
Cuba
Cyprus
Czech Republic
Denmark
Djibouti
Dominica
Dominican Republic
Ecuador
Egypt
El Salvador
Equatorial Guinea
Eritrea
Estonia
Ethiopia
Falkland Islands (Malvinas)
Faroe Islands
Fiji
Finland
France
French Guiana
French Polynesia
French Southern Territories
Gabon
Gambia
Georgia
Germany
Ghana
Gibraltar
Greece
Greenland
Grenada
Guadeloupe
Guam
Guatemala
Guinea
Guinea-Bissau
Guyana
Haiti
Heard and McDonald Islands
Holy See (Vatican City State)
Honduras
Hong Kong
Hungary
Iceland
India
Indonesia
Iran
Iraq
Ireland
Israel
Italy
Jamaica
Japan
Jordan
Kazakhstan
Kenya
Kiribati
North Korea
South Korea
Kuwait
Kyrgyzstan
Laos
Latvia
Lebanon
Lesotho
Liberia
Libya
Liechtenstein
Lithuania
Luxembourg
Macau
Macedonia
Madagascar
Malawi
Malaysia
Maldives
Mali
Malta
Marshall Islands
Martinique
Mauritania
Mauritius
Mayotte
Mexico
Micronesia
Moldova
Monaco
Mongolia
Montserrat
Morocco
Mozambique
Myanmar
Namibia
Nauru
Nepal
Netherlands
Netherlands Antilles
New Caledonia
New Zealand
Nicaragua
Niger
Nigeria
Niue
Norfolk Island
Northern Mariana Islands
Norway
Oman
Pakistan
Palau
Palestinian territories
Panama
Papua New Guinea
Paraguay
Peru
Philippines
Pitcairn
Poland
Portugal
Puerto Rico
Qatar
Reunion
Romania
Russian Federation
Rwanda
Saint Helena
Saint Kitts and Nevis
Saint Lucia
Saint Pierre and Miquelon
Saint Vincent & the Grenadines
Samoa
San Marino
Sao Tome and Principe
Saudi Arabia
Senegal
Serbia
Seychelles
Sierra Leone
Singapore
Slovak Republic
Slovenia
Solomon Islands
Somalia
South Africa
South Georgia and the South Sandwich Islands
Spain
Sri Lanka
Sudan
Suriname
Svalbard & Jan Mayen Islands
Swaziland
Sweden
Switzerland
Syrian
Taiwan
Tajikistan
Tanzania
Thailand
Timor-Leste
Togo
Tokelau
Tonga
Trinidad and Tobago
Tunisia
Turkey
Turkmenistan
Turks and Caicos Islands
Tuvalu
Uganda
Ukraine
United Arab Emirates
United Kingdom
United States
US Minor Outlying Islands
Uruguay
Uzbekistan
Vanuatu
Venezuela
Vietnam
Virgin Islands, British
Virgin Islands (U.S.)
Wallis and Futuna
Western Sahara
Yemen
Zambia
Zimbabwe
Montenegro