What are the main phases of the plan?

Discovery and scope, destination preparation, authentication and access, mapping design, pilot migration, production migration waves, incremental pass and transition, and validation and closure.

How should authentication be set up?

Create the OneDrive Migration Source and Target applications in the corresponding tenants, add the documented Microsoft Graph permissions, grant admin consent and keep each tenant's credentials separate.

How do I design the mapping phase?

Prepare the source-to-target mapping before the production run, use automatic mapping where appropriate, review and correct exceptions manually, and preserve the final mapping for later incremental passes.

Why include a pilot phase?

A pilot validates connection behavior, target readiness, migration logs and target content, and lets you adjust the procedure before approving the next phase.

What are the project roles?

A project owner, a Microsoft 365 administrator, a migration operator, a business owner and a validation owner, each with defined responsibilities.

How is the project closed?

Review logs, validate representative user accounts, record exceptions and confirm business sign-off, keeping documentation of the final mapping, waves and any follow-up.

How does the plan relate to the assessment?

The assessment outputs feed the plan's scope, mapping, waves and validation, so the plan executes what the assessment defined.

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EdbMails

All-in-one Recovery and Migration
- EDB Recovery and Migration
- OST, PST, MBOX, NSF, EML, MSG
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- SharePoint, OneDrive & Teams
- Google Workspace Migration
- IMAP Migration
- Duplicate Remover
- EdbMails Data Recovery
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EDB Recovery and Migration

EdbMails lets you recover corrupted, damaged, and offline Exchange EDB files, convert EDB mailboxes to PST format, and directly migrate mailbox data to Office 365 and live Exchange Server.

EDB to PST

Recover corrupted, damaged, offline EDB files and convert Exchange EDB mailboxes to PST file format

Public Folder to Exchange

Migrate public folders from an Exchange offline EDB file to live Exchange Server

EDB to Live Exchange Migration

Directly migrate offline Exchange database (EDB) files to live Exchange server

Archive Mailbox to Office 365

Migrate archive mailboxes from offline EDB files directly to Office 365

EDB to Office 365 Migration

Directly migrate offline Exchange database (EDB) files to Office 365

Public Folder to Office 365

Migrate public folders from an offline Exchange EDB file to Office 365

OST, PST, MBOX, NSF, EML, MSG Export and Migration

EdbMails lets you to recover OST and PST files, export OST, PST, MBOX, NSF, EML, and MSG files to PST files, and directly migrate OST, PST, MBOX, and NSF mailbox data to Office 365 and live Exchange Server.

OST Recovery and Migration

Recover offline OST files, convert OST to PST, and migrate OST to Office 365 and Exchange Server

PST Recovery and Migration

Recover Outlook PST files , Export PST to PST, migrate PST to Office 365 and Exchange Server

MBOX Export and Migration

Export MBOX to PST, migrate MBOX to Office 365 and Exchange Server

NSF Export and Migration

Export NSF to PST, migrate NSF to Office 365 and Exchange Server

EML to PST Export

Convert EML files to Outlook PST files

PST to MSG Export

Convert Outlook PST file to MSG file format

MSG to PST Export

Export MSG files to Outlook PST files

Office 365, Exchange Migration

EdbMails lets you securely migrate mailboxes across Microsoft 365, Exchange, Google Workspace (G Suite), and IMAP-supported servers such as Outlook, Gmail, Zimbra, Zoho Mail, and cPanel, ensuring zero downtime.

Office 365 Migration

Migrate between Office 365 tenants, Office 365 to Exchange, Office 365 to PST, PST files to Office 365.

Exchange Migration

Migrate between any Exchange Servers, Exchange to Office 365, Exchange to PST, PST files to Exchange.

Tenant to Tenant Migration

Migrate Mailboxes, Public Folders, Archive Mailboxes between Office 365 Tenants.

Exchange to Office 365

Migrate Mailboxes, Public Folders, Archive Mailboxes from live Exchange server to Office 365.

Office 365 to IMAP

Migrate Office 365 to IMAP, Office 365 to Gmail, Office 365 to Outlook, Office 365 to Zoho etc.

Exchange to IMAP

Migrate from live Exchange Server to IMAP servers such as Gmail, Outlook, and Zoho Mail.

Public Folder to Office 365

Migrate Public Folders between Office 365 tenants with complete folder hierarchy and mailbox data integrity.

Exchange to PST

Export live Exchange Server mailboxes, public folders, and archive mailboxes to Outlook PST files.

SharePoint, OneDrive & Microsoft Teams Migration

EdbMails lets you migrate SharePoint sites, OneDrive data, Microsoft Teams, teams, channels, chats, permissions, and documents between Microsoft 365 tenants while maintaining the existing folder structure and data integrity.

SharePoint Online Migration

Migrate documents, lists, files and folders from SharePoint sites.

OneDrive for Business Migration

Migrate documents, lists, files, folders, private chats from OneDrive.

Microsoft Teams Migration

Migrate Teams, chats, channels, documents, files and folders etc.

Google Workspace / G Suite Migration

EdbMails offers secure Google Workspace migration to Office 365, Exchange, or IMAP, and export to PST covering emails, contacts, calendars and tasks.

Google Workspace Migration

Migrate emails, calendars, contacts, tasks from Google Workspace to Google Workspace, office 365, Exchange and IMAP. Export to PST

Google Workspace to Office 365

Migrate emails, calendars, contacts, tasks from Google Workspace / G Suite to Office 365

Google Workspace to Exchange Server

Migrate emails, calendars, contacts, tasks from Google Workspace / G Suite to on-Premise Exchange Server

Google Workspace to IMAP

Migrate emails, calendars, contacts, tasks from Google Workspace / G Suite to IMAP, Outlook, Zimbra, Zoho etc.

Google Workspace to Google Workspace

Migrate emails, calendars, contacts, tasks between two Google Workspace / G Suite tenants

Google Workspace to PST

Export emails, calendars, contacts, tasks from Google Workspace / G Suite to Outlook PST files

IMAP Migration

EdbMails IMAP Migration tool lets you easily migrate emails from IMAP servers such as Outlook, Gmail, Zoho Mail, Zimbra, cPanel, and more. Supports IMAP to IMAP, Office 365, Exchange Server, PST, and bulk PST to IMAP migration.

IMAP Email Backup & Migration

Backup and migrate emails from IMAP servers to PST, Office 365, and On-Premises Exchange Server

IMAP to Office 365

Migrate emails, folders, and attachments from IMAP servers to Office 365

IMAP to Exchange

Migrate emails, folders, and attachments from IMAP servers to on-premises Exchange Server

IMAP to PST

Export emails, folders, and attachments from IMAP servers to Outlook PST files for backup

PST to IMAP

Migrate emails, folders, and attachments from bulk PST files to IMAP servers

Duplicate Remover

EdbMails Duplicate Remover lets you easily remove duplicate items from Office 365 and Exchange Server, and from IMAP, Outlook, Gmail, Zimbra, Zoho Mail, etc., ensuring a clean and organized mailbox.

Remove Duplicates

Easily clean up your Office 365, Exchange, Outlook and IMAP accounts by removing duplicate emails.

Remove Duplicates from Office 365

Remove duplicate emails, calendars, contacts, journal tasks, etc. from Office 365.

Remove Duplicates from Exchange Server

Remove duplicate emails, calendars, contacts, journal tasks, etc. from live Exchange Server.

Remove Duplicates from IMAP, Outlook

Remove duplicate emails, attachments from IMAP, Outlook, Gmail, Zimbra, Zoho Mail etc.

Exchange, SharePoint, OneDrive, Teams and Office 365 Backup

EdbMails enables secure, automated backup and recovery for Microsoft 365 services including Exchange Online, SharePoint, OneDrive, Teams, and Live Exchange Server with complete data protection and restore flexibility.

Office 365 Backup

Incremental, Granular, Encrypted and Compressed Office 365 Mailboxes Backup

Exchange Server Backup

Incremental, Granular, Encrypted and Compressed Exchange Mailboxes Backup

SharePoint, OneDrive & Teams Backup

Backup Online site collections, Team sites, Office 365 groups, all documents etc.

EdbMails Data Recovery

EdbMails Data Recovery Software lets you recover permanently deleted data, including photos, videos, documents, and archived files, from partitions on hard drives, SSDs, USB drives, SD cards, and external storage devices.

EdbMails Data Recovery

Recover and restore permanently deleted data from hard drives, SSDs, USB drives, SD cards, and etc.

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OneDrive Migration Project Plan

Plan OneDrive Migration from Discovery to Validation

Create a OneDrive migration project plan that brings discovery, user mapping, target preparation, pilot transfers, and validation into one structured workflow. This EdbMails guide helps administrators define milestones and responsibilities while planning the movement of supported OneDrive files between tenants.

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Key Phases in a OneDrive Migration Project Plan

A OneDrive migration project plan defines what will move, who owns each task, how users map between tenants, how migration waves are organized, how source changes are handled and how the target is validated before cutover.

The current EdbMails OneDrive workflow supports the key technical stages required by such a plan: source and target connection, Microsoft Entra app registration, user-site selection, mapping, simultaneous migration of multiple OneDrive sites, incremental migration and migration logs.

Phase 1: Discovery and scope

Identify all OneDrive users and sites in scope.

Record approximate volume, business owner and migration priority.

Separate pilot users, standard users and exception users.

Identify any OneDrive-to-SharePoint or SharePoint-to-OneDrive exceptions.

Phase 2: Destination preparation

Confirm target Microsoft 365 users, domains and OneDrive sites. Resolve missing target accounts before migration and document any users whose destination identity differs from the source.

Phase 3: Authentication and access

Create the documented OneDrive Migration Source and OneDrive Migration Target applications in the corresponding Microsoft Entra tenants. Add the documented Microsoft Graph application permissions, grant admin consent and keep each tenant's credentials separate.

Phase 4: Mapping design

Prepare the source-to-target mapping before the production run. Use automatic mapping where appropriate, then review and correct exceptions manually. Preserve the final mapping so later incremental passes use the intended destinations.

Phase 5: Pilot migration

Migrate a representative pilot group. Review connection behavior, target readiness, migration logs and target content. Record any changes required to the migration procedure before approving the next phase.

Phase 6: Production migration waves

Organize users into manageable waves. EdbMails supports simultaneous migration of multiple OneDrive sites, but practical batch size should account for data volume, network conditions, Microsoft 365 throttling, target readiness and the time available for validation.

Phase 7: Incremental pass and transition

If users remain active in the source, perform a subsequent incremental pass for supported new or modified content. Schedule this near the final transition so the target is as current as practical before users begin working from the destination.

Phase 8: Validation and closure

Review logs, validate representative user accounts, record exceptions and confirm business sign-off. Keep documentation of the final mapping, migration waves, outstanding remediation and any manual follow-up required after cutover.

Suggested project roles

Role	Typical responsibility
Project owner	Scope, timeline, approvals and escalation.
Microsoft 365 administrator	Tenant access, Entra app registration and target readiness.
Migration operator	Configuration, user selection, mapping, migration and logs.
Business owner	Confirms user/content scope and destination ownership.
Validation owner	Checks target content and records exceptions.

Frequently Asked Questions

What does a OneDrive migration project plan define?
It defines what will move, who owns each task, how users map between tenants, how migration waves are organized, how source changes are handled and how the target is validated before cutover.
What are the main phases of the plan?
Discovery and scope, destination preparation, authentication and access, mapping design, pilot migration, production migration waves, incremental pass and transition, and validation and closure.
Which EdbMails capabilities fit the plan?
Source and target connection, Microsoft Entra app registration, user-site selection, mapping, simultaneous migration of multiple OneDrive sites, incremental migration and migration logs.
How should authentication be set up?
Create the OneDrive Migration Source and Target applications in the corresponding tenants, add the documented Microsoft Graph permissions, grant admin consent and keep each tenant's credentials separate.
How do I design the mapping phase?
Prepare the source-to-target mapping before the production run, use automatic mapping where appropriate, review and correct exceptions manually, and preserve the final mapping for later incremental passes.
Why include a pilot phase?
A pilot validates connection behavior, target readiness, migration logs and target content, and lets you adjust the procedure before approving the next phase.

How big should production waves be?
Practical batch size should account for data volume, network conditions, Microsoft 365 throttling, target readiness and the time available for validation, not only the user count.
When does the incremental pass run?
Schedule the incremental pass near the final transition so the target is as current as practical before users begin working from the destination.
What are the project roles?
A project owner, a Microsoft 365 administrator, a migration operator, a business owner and a validation owner, each with defined responsibilities.
How is the project closed?
Review logs, validate representative user accounts, record exceptions and confirm business sign-off, keeping documentation of the final mapping, waves and any follow-up.
How does the plan relate to the assessment?
The assessment outputs feed the plan's scope, mapping, waves and validation, so the plan executes what the assessment defined.

Related OneDrive migration resources

OneDrive Migration Tool

OneDrive Migration Assessment

OneDrive Pre-Migration Planning

OneDrive Migration Checklist

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