Skip to content

Restow documentation

Backup for Microsoft 365, IMAP, servers and clients, self-hosted and open source (AGPL-3.0). Restores go next to the original, never over it. Restow is in beta; 0.1.0 ships the archive, endpoint backup and mail import and export.
For end usersFind older mail and files in your own mailbox or OneDrive and bring them back, next to what is already there.Start hereFor administratorsInstall Restow, connect Microsoft 365 or IMAP, set up schedules and storage, and prove that restores work.Install and run

Topics

Setup wizardFirst start, operator notice, public URL, first admin, mail delivery.Connecting sourcesMicrosoft 365 app registration and IMAP accounts.Backup and restoreRestore single items, folders or whole accounts, never over the original.Endpoint backupBack up servers and clients with an append-only agent, on Linux and macOS.Mail import and exportBring in EML, MSG and MBOX files; export mail as EML or MBOX.SchedulesWhen backups, restore checks and storage checks run.Recovery readinessHow Restow proves a backup can actually be restored.Audit logWho read or restored what, when, for whom.Multi-tenancyTenants, delegated administrators, provider view.Integration APIREST API and webhooks for RMM, PSA and ticketing.License and editionsCommunity, Business and Service Provider.ArchivingJournaling, hash chain, retention and legal hold, since 0.1.0.Backup vs. archiveWhat each one is for, and why you may need both.GoBD and evidenceWhat German GoBD requirements ask of an archive.UpdatesUpdate check, optional updater, migrations, rollback.TroubleshootingCommon problems and where to look first.Failure explanationsWhat happened, why, and what to do for each failure.Status and roadmapWhat works today and what is still being built.

Search (top of the page) runs entirely in your browser against an index built at deploy time. No query leaves your device.

Last updated: