Open-Xchange App Suite

Paid#13 of 34 in Mail Server Software

Open-Xchange App Suite: A flexible email and collaboration suite with cloud and self-hosted deployment options. Ranked #13 of 34 in Mail Server Software by our editors (7.9/10); pricing: Pricing on request; best for teams prioritizing collaboration alongside email.

7.9/10★★★★☆Editor score

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Open-Xchange App Suite7.9 Visit Open-Xchange

At a glance

• Editor score
  7.9 / 10
• Pricing
  Pricing on request
• Best for
  Teams prioritizing collaboration alongside email
• License model
  Subscription
• Facts checked
  23 Sep 2026

• Where it wins

  • Combines email, calendar, contacts, tasks, storage and document editing
  • Supports cloud, self-hosted, on-premises and managed OX Cloud deployment
  • Offers integrations across video, storage, productivity, contacts and calendars

• Where it doesn't

  • Pricing requires contacting sales, making plan costs harder to compare
  • Optional OX Guard is needed for email and file encryption
  • Published support-channel information is limited to documentation

Our verdict on Open-Xchange App Suite

Open-Xchange App Suite combines web-based email and calendar with contacts, tasks, cloud storage, file sharing and browser-based document editing. It is aimed at service providers and public-sector organizations, and its deployment options also make it relevant to small, mid-market and enterprise teams. The interface is designed for desktop and mobile use, with web, iOS and Android platforms. For teams that want collaboration tools alongside email, the scope is broader than a mail-only service; organizations seeking only a basic mailbox may not need that breadth.

Deployment flexibility is a central consideration. App Suite can be self-hosted or deployed on-premises or in a preferred public cloud, and OX also offers a managed OX Cloud service. The software subscription described for v8 is self-hosted and positioned for email providers. Clustered deployment with distributed sessions supports high availability, while documented email access uses IMAP and also includes POP3 as a service channel. The platform integrates with options including OpenTalk, Zoom and Jitsi for video conferencing; Dropbox, Google Drive, Nextcloud and Microsoft 365 OneDrive for storage; and Collabora Online for document editing. This mix suits organizations fitting email into an existing collaboration stack, though buyers should assess which integrations match their environment.

According to the vendor's product information, OX Guard provides optional email and file encryption, and an integrated AI agent handles email and calendar workflows. Pricing is contact-sales rather than publicly presented as plan tiers, so buyers need a sales discussion to establish costs and fit. Support-channel information centers on documentation, which may not be enough for teams that require clearly specified direct support. App Suite is a stronger fit for organizations that value deployment control and integrated collaboration; teams prioritizing transparent self-service pricing or a narrowly focused mail server may prefer to compare alternatives.

Your product? Our editors can test Open-Xchange App Suite in depth and publish a review, labelled as paid · from $149/mo →

Open-Xchange App Suite pricing

Open-Xchange App Suite fact sheet

Open-Xchange App Suite integrations

Open-Xchange App Suite lists 17 integrations on its own site.

• OpenTalk
• Zoom
• Jitsi
• Dropbox
• Google Drive
• Nextcloud
• Box
• ownCloud
• OpenCloud
• Microsoft 365 OneDrive
• Collabora Online
• Google Contacts
• Microsoft 365 Contacts
• GMX
• Web.de
• T-Online
• Google Calendar

See all Open-Xchange App Suite integrations →

Alternatives to Open-Xchange App Suite

• Microsoft Exchange OnlineA Microsoft-centric hosted mailbox service with Outlook, archiving, compliance, and migration tools.9.3
• Zimbra CollaborationA broad open-source suite for organizations that need email, collaboration, and deployment control.9.1
• IceWarpA broad hosted email suite with collaboration, migration tools, and self-hosted deployment.9.0

See all Open-Xchange App Suite alternatives →

Featured on iTechGuides

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Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

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Last updated 7 Oct 2026 · How we research and update