Pricing
Early access Restow is in beta: until general release, Business and Service Provider are sold at the pre-sale price. The license is yours for good; what is marked "planned" follows as it ships, without dates. Not to be used as your only backup. You can return the license within 30 days, without giving reasons.
Community
Free
One organisation. Every backup source, every restore function, no mailbox limit, no license key.
- Microsoft 365 (SharePoint included) and IMAP backup
- Non-destructive restore
- Weekly restore checks
- Server and client backup (Linux, macOS)
- File share backup (SMB, NFS)
- Proxmox VE backup, VMs and containers (preview)
- Mail file import and export
- Archive with hash chain, search and export
- Immutable backups (S3 Object Lock) and ransomware detection
- Failure explanations, job history, REST API
- Several administrators with roles
For one organisation that runs its own backup.
Business
Pre-sale price€476List price from release: €595 −20% beta pre-saleonce, net, plus VAT
Pre-sale price €476 net until general release. List price from release: €595 net.
Everything in Community, plus what an organisation needs to prove. A perpetual license for one organisation.
Unlocks today
- Scheduled reports (daily, weekly or monthly summary by e-mail)
- GoBD layer for the archive (Exchange Online journal receipt and forwarded copies, enforced retention, legal hold)
- Archive capture beyond journaling (Microsoft 365 by Graph, IMAP and Google Workspace by IMAP sync, copies a mail provider forwards; Graph and IMAP are near-time, not complete)
- Audit log viewer (search, filters, details, hash-chain verification)
- Audit log export (CSV, JSON with hashes)
Planned, without dates
- Sign-in with Microsoft and single sign-on (SSO)
- Four-eyes approval
- Signed restore proof
For one company. Business customers only (§ 14 BGB).
Buy Business · €476Early access license for software in beta
Service Provider
Pre-sale price€1,560List price from release: €1,950 −20% beta pre-saleonce, net, plus VAT
Pre-sale price €1,560 net until general release. List price from release: €1,950 net.
Everything in Business, for any number of tenants: your own customers. A perpetual license.
Unlocks today
- Multiple tenants and the cross-tenant REST API
- Delegated tenant administrators (a customer's own administrators, limited to their tenant)
- Provider overview across all tenants (status per tenant, alerts)
- All tenants in Jobs: every tenant's jobs and runs at a glance
Planned, without dates
- White label
For IT service providers. Business customers only (§ 14 BGB).
Buy Service Provider · €1,560Early access license for software in beta
- Invoice and contract from IT Systeme Flores UG, Germany.
- No phone-home, nothing that can switch the software off.
- If we stop: twelve months' notice, then the modules become open source.
- Open, documented format: you can restore without us.
Community is free. Business and Service Provider are one-time purchases, list price from release €595 net and €1,950 net, pre-sale until then at €476 and €1,560 net, for business customers only (§ 14 BGB), sold in the EU/EEA, Switzerland and the UK at launch. Everything you need to back up is free; everything your organization needs to sign off on is Business.
The three editions
| Edition | Price | Who it's for |
|---|---|---|
| Community | Free, no license key | One organization running its own backup. |
| Business | Pre-sale price €476 once, net, plus VAT | One organization that also needs to prove things: Available: scheduled reports (daily, weekly or monthly summary by e-mail); GoBD layer for the archive (Exchange Online journal receipt and forwarded copies, enforced retention, legal hold); archive capture beyond journaling (Microsoft 365 by Graph, IMAP and Google Workspace by IMAP sync, copies a mail provider forwards; Graph and IMAP are near-time, not complete); audit log viewer (search, filters, details, hash-chain verification); audit log export (CSV, JSON with hashes). Planned: sign-in with Microsoft and single sign-on (SSO), four-eyes approval and signed restore proof. |
| Service Provider | Pre-sale price €1,560 once, net, plus VAT | MSPs and IT providers running Restow for multiple client tenants, today. |
Business: Pre-sale price €476 net until general release. List price from release: €595 net.
Service Provider: Pre-sale price €1,560 net until general release. List price from release: €1,950 net.
None of these prices depend on how many mailboxes you protect: there is no mailbox limit in any edition. Business is licensed for one organization, Service Provider for any number of tenants (your own customers); Restow does not count either. There is no per-user, per-seat or per-GB meter anywhere in Restow. See Your data is your data, the vendor comparisons, and the worked 5-year pricing math for why that is worth spelling out. For what each edition actually includes feature by feature, see features. What this adds up to per mailbox and month is worked out on what Microsoft 365 backup costs per user, and how the Service Provider edition works for many customers on multi-tenant backup for MSPs.
Updates: what applies today, and what changes with 1.0
What updates cost is set now, before version 1.0, so nobody buys without knowing it. The binding text is section 5 of the license terms.
Updates before and after version 1.0
Schematic: one square per payment.
- License purchase
- Update year: Business €295, Service Provider €595 net per year
- No update year: every version released until then keeps running with all modules, without security fixes
Update years go on sale with version 1.0, one year at a time, with no automatic renewal. After a gap, the next update year costs the normal price, with no back payment, and covers every version released until it ends, those from the gap included. Pre-sale licenses need update years only for a later 2.x series. Binding: license terms, section 5.
- Bought in the pre-sale: every update of the entire 1.x series is included, permanently, with no update year to buy.
- Bought from version 1.0: the license includes 12 months of updates, counted from the day you receive the key.
- After that, an update year: Business €295 net, Service Provider €595 net per year. A fixed price per edition, no price per mailbox, user or tenant. You buy one year at a time; nothing renews automatically. Update years go on sale with version 1.0.
- After a gap: the next update year costs the normal price, with no back payment and no surcharge. It covers every version released until it ends, including those released during the gap.
- Without an update year: every version released until your update period ended keeps running indefinitely, with all modules of your edition. No phone-home, no shutdown. In later versions, the Business and Service Provider modules stay off until you buy an update year.
- Security fixes ship in new versions only: older versions get no security updates. Staying on an old version means going without security fixes.
- If development ever stops: we announce it at least twelve months in advance and publish the Business and Service Provider modules as open source under the core's license, Apache 2.0; your installation then keeps running without a license key.
Editions, side by side
| Included | Community Free | Business €476 once, net List price from release: €595 | Service Provider €1,560 once, net List price from release: €1,950 |
|---|---|---|---|
| Available now | |||
| Microsoft 365 backup and restore (mail, calendar, contacts, OneDrive) | Yes | Yes | Yes |
| IMAP backup and restore | Yes | Yes | Yes |
| Non-destructive restore (never overwrites the original) | Yes | Yes | Yes |
| Weekly recovery readiness checks (a sample is read back and verified) | Yes | Yes | Yes |
| Basic operations log (job history, error messages) | Yes | Yes | Yes |
| REST API | Yes | Yes | Yes |
| Alerts by e-mail, in-app, webhook and chat message (Discord, Slack, Microsoft Teams) for failed backups, failed restore checks, overdue backups and storage damage | Yes | Yes | Yes |
| Mailbox limit | None | None | None |
| Archive with SHA-256 hash chain, chain verification, search, reading and export; filled by mail import with archiving | Yes | Yes | Yes |
| Several administrators with roles (members); limiting a member to chosen tenants is Service Provider | Yes | Yes | Yes |
| Scheduled reports (daily, weekly or monthly summary by e-mail) | No | Yes | Yes |
| GoBD layer for the archive (Exchange Online journal receipt and forwarded copies, enforced retention, legal hold) | No | Yes | Yes |
| Archive capture beyond journaling (Microsoft 365 by Graph, IMAP and Google Workspace by IMAP sync, copies a mail provider forwards; Graph and IMAP are near-time, not complete) | No | Yes | Yes |
| Audit log viewer (search, filters, details, hash-chain verification) | Recorded, no viewer | Yes | Yes |
| Audit log export (CSV, JSON with hashes) | No | Yes | Yes |
| Multiple tenants and the cross-tenant REST API | One tenant | One tenant | Yes |
| Delegated tenant administrators (a customer's own administrators, limited to their tenant) | Tenant administrators and users can be invited | Tenant administrators and users can be invited | Yes |
| Provider overview across all tenants (status per tenant, alerts) | No | No | Yes |
| All tenants in Jobs: every tenant's jobs and runs at a glance | No | No | Yes |
| Server and client backup with an agent (Linux and macOS, file-level, append-only) | Yes | Yes | Yes |
| Proxmox VE 8.4 and newer: VMs and containers (preview) | Yes (preview) | Yes (preview) | Yes (preview) |
| NFS shares added from the web interface (opt-in mounter) or by NFS address in a repository's path field | Yes | Yes | Yes |
| File share backup: SMB and NFS shares, Windows file servers included, without an agent and with permissions kept | Yes | Yes | Yes |
| Ransomware detection on every new restore point, with a retention hold while a finding is unresolved | Yes | Yes | Yes |
| Immutable backups: S3 Object Lock per repository (compliance or governance) and a deletion delay for directories, off until you turn it on | Yes | Yes | Yes |
| Notification matrix: choose per channel (bell, webhook, recipient) which events it gets | Yes | Yes | Yes |
| Proxmox VE: progress of running backups, boot tests of restore points and file restore of containers and VMs (preview) | Yes (preview) | Yes (preview) | Yes (preview) |
| Agent policies for servers and clients: backup window, catching up missed backups, upload limit, AC power, retries | Yes | Yes | Yes |
| File restore for restore operators (the restore role): machines and Proxmox VE guests | Yes | Yes | Yes |
| SharePoint Online backup and restore: sites with document libraries and lists | Yes | Yes | Yes |
| Updates that wait for or cleanly stop running backups, moving the database to another disk, and low disk space warnings (also for the system disk and a repository on it) | Yes | Yes | Yes |
| Storage growth on the dashboard, with an estimate of when the repository runs full where its free space is known | Yes | Yes | Yes |
| Microsoft 365 groups (the groups behind Teams included): calendar and conversations, opt-in | Yes | Yes | Yes |
| Remove a revoked machine from Restow, deleting its backups at once or when they expire | Yes | Yes | Yes |
| Stop a backup from the web app: Proxmox VE, servers and clients and file shares, or every backup of a job from the job lists (the run ends as cancelled, every stop asks first and is audited) | Yes | Yes | Yes |
| Planned updates at a chosen date and time, with a time zone of the installation set in the setup wizard | Yes | Yes | Yes |
| Proxmox VE nodes and agents follow a server update (new runs wait up to 15 minutes), with an update on request per node and machine | Yes | Yes | Yes |
| Proxmox VE: every new restore point is checked within minutes of its backup (on by default), with "Check now" and "Check all unverified" (preview) | Yes (preview) | Yes (preview) | Yes (preview) |
| Restore explorer by person (mailbox, OneDrive and IMAP together, SharePoint and Teams sites and Microsoft 365 groups apart), a calendar by month, and large mailboxes and OneDrives that open in milliseconds | Yes | Yes | Yes |
| Microsoft 365 sources through a Graph app of your own per source, besides the consent invitation | Yes | Yes | Yes |
| Mail file import (EML, MSG, MBOX, MailStore export) and export (EML ZIP, MBOX) | Yes | Yes | Yes |
| Failure explanations: what happened, why, and what to do | Yes | Yes | Yes |
| Update check (off until you turn it on) and an optional updater with automatic rollback until database migrations have run | Yes | Yes | Yes |
| Signed release images for amd64 and arm64 (full and Community build), with SBOM, and signed agent releases | Yes | Yes | Yes |
| Planned, not started | |||
| Sign-in with Microsoft and single sign-on (SSO) | No | Planned | Planned |
| Four-eyes approval | No | Planned | Planned |
| Signed restore proof | No | Planned | Planned |
| White label | No | No | Planned |
| OAuth2 sign-in for IMAP sources (Microsoft 365 and Google over IMAP) | Planned | Planned | Planned |
| Windows agent (with VSS snapshots and image backup) | Planned | Planned | Planned |
| Agent mTLS and LVM, ZFS, btrfs and APFS snapshots | Planned | Planned | Planned |
| PST and OST import, PST and MSG export | Planned | Planned | Planned |
| SFTP repository | Planned | Planned | Planned |
There is no mailbox limit in any edition. Business is licensed for one organization, Service Provider for any number of tenants (your own customers); Restow does not count either, you use the license within what you bought. Business and Service Provider are for business customers only (§ 14 BGB), sold in the EU/EEA, Switzerland and the UK at launch.
Prefer to pay by invoice? Write to us.
License terms: German (authoritative) · English
Business customers only (§ 14 BGB).
Find your installation ID under Admin › License in Restow (full images).
What "one-time purchase" means
- A license is verified offline by a signed key: no phone-home check, nothing that can remotely disable the software, and no subscription that lapses.
- Pre-sale licenses include every 1.x update. From version 1.0, a license includes 12 months of updates; after that, an optional update year at a fixed price per edition, bought one year at a time and never renewed automatically. Without one, every version released until then keeps running with all modules, but older versions get no security fixes.
- If we ever stop development, we will announce it at least twelve months in advance and then publish the Business and Service Provider modules as open source under Apache 2.0. Support, setup, operation and SLAs are not included.
Backup and restore are complete in every edition and never limited by price or a mailbox count: the editions differ by what's added on top, not by what's held back.
Licenses include the software and the updates described above. No support is included. Setup (migrating an existing tenant, or configuring a multi-tenant Service Provider install) is priced on quote, since it depends on what you're moving from and how big it is; it is not part of the license price above.
What's not for sale
There is no hosted Restow (yet) and nothing metered by usage. We will adjust this according to feature requests: if you need a hosted option, tell us. Restow runs on infrastructure you or your IT provider controls; see security and sovereignty on the overview page for what that means for your encryption keys and your storage. A live demo with synthetic data runs at demo.restowbackup.com; it resets every night.
Frequently asked
What does Restow cost?
Community is free. Business and Service Provider are one-time purchases for business customers only. Pre-sale price €476 net until general release. List price from release: €595 net. Service Provider: Pre-sale price €1,560 net until general release. List price from release: €1,950 net. There is no per-mailbox or per-user subscription anywhere in Restow.
What happens if Restow development ever stops?
We will announce it at least twelve months in advance and then publish the Business and Service Provider modules as open source under the core's license, Apache 2.0, so your installation keeps running without a license key.
What do updates cost after the first year?
Licenses bought in the pre-sale include every update of the 1.x series, with nothing more to pay. From version 1.0, a license includes 12 months of updates; after that, an update year costs €295 (Business) or €595 (Service Provider) net, bought one year at a time and never renewed automatically. Update years go on sale with version 1.0. Without one, every version released until then keeps running with all modules, but older versions get no security fixes. After a gap, the next update year costs the normal price, with no back payment.
Does a license include support?
No. Licenses include the software and its updates as described above. Support, setup, operation and SLAs are not included; such services need a separate contract.
Is there a limit on mailboxes or organizations (tenants)?
There is no mailbox limit in any edition: protect one mailbox or several thousand. Business is licensed for one organization, Service Provider for any number of tenants, your own customers. Restow does not count organizations or mailboxes; you use the license within what you bought. Buy the edition that matches how many organizations you run Restow for.
Who can buy Business and Service Provider, and where?
Business customers only, within the meaning of § 14 BGB, not consumers. At launch, sales are limited to the EU/EEA, Switzerland and the UK.