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ContactOffice

contactoffice.com

From €5/mo Free plan WebWindowsmacOSLinuxiOSAndroid
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Spec score 8.6 #6 of 33 in Collaborative Document Software

What it is

ContactOffice brings email, calendars, contacts, document storage, and collaboration tools into an online workspace. Its messaging center can consolidate POP3, IMAP, Gmail, and Yahoo addresses, and supports POP3 or IMAP software access and SMTP relay. Calendar functions include shared agendas, meeting invitations, polls, reminders, and CalDAV synchronization. Contacts can hold photos, comments, and access maps, with CSV and vCard imports and CardDAV synchronization. The documents tool supports shared files, collaborative editing, PDF conversion, and WebDAV access. The service supports Android, iOS, Linux, macOS, Windows, and web access, plus synchronization with iPhone, iPad, Android, and other Exchange-capable devices. Global synchronization is limited to paid subscriptions. The maker says data and backups are hosted in Europe, transfers use TLS/SSL, and two-factor authentication is available. The free plan includes 500 MB each for mailbox and documents, 200 address book entries, and no monthly SMS allowance. Paid plans begin at €5 a month, billed for six months.

Spec sheet

Product
ContactOffice combines email, calendars, contacts, document storage, and collaboration tools in an online workspace.Read 29 Sep 2026 · contactoffice.com
Intended users
The maker describes the individual version as a personal solution and its group version as a solution for work groups.Read 29 Sep 2026 · contactoffice.com
Integrations
The maker lists Outlook, Apple Mail, Thunderbird, Gmail, Yahoo, Dropbox, Google Drive, WebDAV, SMB/CIFS, CalDAV, and CardDAV compatibility or access.Read 29 Sep 2026 · contactoffice.com
Security
The maker says data and backups are hosted exclusively in Europe and that data transfers use TLS/SSL encryption; it also lists two-factor authentication.Read 29 Sep 2026 · contactoffice.com
Support
The company page lists commercial and product requests and technical support, with a Brussels telephone number.Read 29 Sep 2026 · contactoffice.com
Headquarters
Brussels, BelgiumRead 28 Sep 2026 · contactoffice.com
Access controls
The maker says each item has individual access rights and private data is accessible only to the account owner by default.Read 29 Sep 2026 · contactoffice.com
Calendar
Calendar features include shared agendas, meeting invitations, polls, reminders, and CalDAV synchronization.Read 29 Sep 2026 · contactoffice.com
Contacts
Contacts can include IM addresses, photos, comments, and access maps, with CSV and vCard import and CardDAV synchronization.Read 29 Sep 2026 · contactoffice.com
Documents
The documents tool supports shared files, collaborative editing, PDF conversion, and WebDAV access.Read 29 Sep 2026 · contactoffice.com
Email
The messaging center can consolidate email addresses including POP3, IMAP, Gmail, and Yahoo, and supports POP3/IMAP software access and SMTP relay.Read 29 Sep 2026 · contactoffice.com
Exports
The maker says users can export all their data in standard formats when ending use of the service.Read 29 Sep 2026 · contactoffice.com
Mobile
ContactOffice supports mobile synchronization with iPhone, iPad, Android, and other Exchange-capable devices, while global synchronization is limited to paid subscriptions.Read 29 Sep 2026 · contactoffice.com
Service level
The security page lists a 99,8% service level for accessibility and describes continuous monitoring and backup servers.Read 29 Sep 2026 · contactoffice.com

Plans and prices

Free Free 500 MB mailbox · 500 MB documents · 200 address book entries · 0 SMS/month Read 29 Sep 2026 · contactoffice.com
Light €5 a month 6 months 5 GB mailbox · 3 GB documents · 2.000 address book entries · 10 SMS/month Read 29 Sep 2026 · contactoffice.com
Regular €10 a month 3 months 10 GB mailbox · 4 GB documents · 3.000 address book entries · 20 SMS/month Read 29 Sep 2026 · contactoffice.com
Advanced €20 a month 3 months 15 GB mailbox · 5 GB documents · 5.000 address book entries · 30 SMS/month Read 29 Sep 2026 · contactoffice.com

Every ContactOffice plan and price →

Strong points and limits

Strong points

  • Combines email, calendars, contacts, and documents.
  • Calendar supports polls and shared agendas.
  • Contacts support CSV and vCard imports.
  • Data and backups are hosted in Europe.
  • Exports are available in standard formats.

Limits

  • Free mailbox and document storage are each 500 MB.
  • Free plan lists 200 address book entries.
  • Global synchronization requires a paid subscription.
  • Free plan includes zero SMS monthly.

Who it suits

ContactOffice suits individuals seeking a personal workspace or work groups needing shared email, calendar, contacts, and documents. It may also suit users who need synchronization or compatibility with common mail, storage, and calendar tools.

Verdict

ContactOffice brings several communication and collaboration tools into one workspace, with broad platform and protocol support. Check the plan capacities and paid-only global synchronization against your needs.

Where Specifiction places it

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