ContactOffice

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Score7.4

Rank#5 of 34

From€5/mo

Free planYes

Runs onAndroid, iOS, Linux, macOS, Web, Windows

Summary

ContactOffice is ranked #5 of 34 in collaborative document software on Everything Xiaomi. It runs on Android, iOS, Linux, macOS, Web, Windows. There is a free plan. Paid plans start at €5/mo.

ContactOffice plans and pricing

All plans

Free Free 500 MB mailbox · 500 MB documents · 200 address book entries · 0 SMS/month contactoffice.com · 29 Sept 2026

Light €5/mo 6 months 5 GB mailbox · 3 GB documents · 2.000 address book entries · 10 SMS/month contactoffice.com · 29 Sept 2026

Regular €10/mo 3 months 10 GB mailbox · 4 GB documents · 3.000 address book entries · 20 SMS/month contactoffice.com · 29 Sept 2026

Advanced €20/mo 3 months 15 GB mailbox · 5 GB documents · 5.000 address book entries · 30 SMS/month contactoffice.com · 29 Sept 2026

Compared on collaborative document software

Free plan: Yescontactoffice.com
Supported protocols: WebDAV; SMB/CIFScontactoffice.com
Maximum capacity: 0.009 TBcontactoffice.com
Managed backups: Yescontactoffice.com

Facts

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