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Google Workspace alternatives8 min read

Secure alternative to Microsoft 365 and Google Workspace

What a zero-knowledge replacement for the confidential parts of a productivity suite covers, what it deliberately does not, and how to plan the split.

Try it in one click.

Three private surfaces. Same zero-knowledge architecture.

Nobody replaces a suite in one step Microsoft 365 and Google Workspace bundle identity, mail, calendars, documents, storage, chat and meetings. A credible security plan does not try to swap all of it at once; it moves the parts where confidentiality is the requirement and leaves the parts where convenience is.

Draw the line by requirement **Convenience-first (keep where it is):** calendars, meeting scheduling with the outside world, public documents, general internal announcements, anything subject to tenant-wide retention obligations.

Confidentiality-first (move): client and matter files, contracts and deal material, personal or health data, source code and unreleased product, security and HR discussions, and the conversations and mail that carry all of it.

What the encrypted side must provide - **Storage** with client-side encryption, versioning, trash, resumable large uploads. - **Team folders** with per-member sealed keys and rotation when someone leaves. - **Conversations** with channels, threads, mentions, file drops, calls and screen sharing. - **Mail** that does not leave message bodies readable on a server. - **External sharing** with passphrase protection and enforced short expiry. - **Search** that works without server-side plaintext. - **Recovery and backups** that survive a lost device and a provider outage.

If any of those is missing, usage leaks back to the suite and the security benefit evaporates.

What it will not provide Real-time multi-author document co-editing at suite quality, server-side content AI, tenant-wide compliance search over bodies, and a support team that can restore your data after a lost password and lost recovery kit. Decide whether you can live without each of these before, not after.

Cost of the split Two tools, one boundary rule, and a short internal policy: "if it would harm us to have it read, it lives in the encrypted workspace." Teams follow rules they can state in one sentence.

DRIVUNO's coverage My Drive, Team Drive with sealed per-member folder keys, Photos, Rooms with calls and screen sharing, an encrypted mailbox, a secrets vault, a document studio, Live Clone folder mirroring, universal import from common export formats, blind-index search, passphrase-gated links capped at 24 hours, and hourly encrypted snapshots to independent immutable storage with tested restore.

First 30 days Week 1: pick the confidential workstreams and the recovery model. Week 2: migrate files and set naming conventions. Week 3: move conversations and external sharing. Week 4: rehearse offboarding and restore, then write the one-sentence boundary rule.

Try it in one click.

Three private surfaces. Same zero-knowledge architecture.

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