How to Perform SharePoint Tenant to Tenant Migration?

Migrating SharePoint data from one tenant to another is a straightforward procedure with step-by-step instructions and appropriate solutions. In this guide, we will explain to you how to perform SharePoint Tenant to Tenant Migration effectively. Let's get started!

What is SharePoint Tenant to Tenant Migration?

It refers to transferring data (documents, lists, libraries, sites, and permissions) from one Microsoft 365 (M365) tenant to another. This is common in:

• Mergers and acquisitions
• Company divestitures
• Domain name changes
• Rebranding efforts
• Organizational restructuring

Related articles: Excel Links Broken After Migration to SharePoint

Pre-Migration Checklist

Before you start migrating SharePoint Online content between tenants, ensure the following:

• Inventory all SharePoint sites and subsites.

• Backup SharePoint Online to Local Storage

• Identify customizations (web parts, workflows).

• Document storage quotas and usage.

• SharePoint Online Permissions

• Create a new site architecture in the destination tenant.

• Set up site collections and permissions structures.

• Prepare Microsoft Teams, OneDrive, and Planner (if integrated).

How to Perform SharePoint Tenant to Tenant Migration (Step-by-Step)

Method 1: Leverage a Cutting-edge Solution

SharePoint Online Migration Tool Download is a robust and user-friendly software designed to help you migrate SharePoint content from one Microsoft 365 tenant to another, including sites, documents, lists, permissions, and metadata.

It is especially useful for organizations undergoing mergers, acquisitions, or restructuring, and offers full-fidelity migration between SharePoint Online tenants.

Quick steps are as follows:

• Install or access the migration tool.
• Select Microsoft 365 as both source and target tenants.
• Select SharePoint sites or document libraries to migrate.
• Map users and permissions.
• Run the transition by hitting the Start Migrate button. 

Also read: Migrate SharePoint Site to Another Site

Method 2: Manual Migration via Download & Upload (Not Scalable)

1. Go to SharePoint Source Tenant → Open document library.

2. Click on “Sync” to sync to local using OneDrive.

3. After files download to your local drive:

   • Log in to the Target Tenant SharePoint.

   • Create corresponding libraries or folders.

4. Upload content manually or via drag-and-drop.

Method 3: PowerShell Scripting with SharePoint PnP & SPO Modules

Prerequisites:

• Install PnP PowerShell

• Admin rights on both tenants

Steps:

1. Connect to both source and destination tenants:

   Connect-PnPOnline -Url https://sourceTenant.sharepoint.com/sites/site1 -Interactive Connect-PnPOnline -Url https://destinationTenant.sharepoint.com/sites/site1 -Interactive

2. Export content from the source:

   Get-PnPListItem -List "Documents" | Export-Csv -Path "export.csv"

3. Download files using Get-PnPFile and re-upload them using Add-PnPFile in the destination.

 

 

Tips for a Smooth Migration

• Perform migration in batches for easier rollback and troubleshooting.

• Communicate often—set expectations with users about access and downtime.

• Backup your data from both tenants before proceeding.

• Test post-migration workflows and links to ensure continuity.

• Clean up unused or orphaned sites before migrating to reduce complexity.

Read also: Connect-SPOService: Could Not Connect to SharePoint Online

Conclusion

Migrating SharePoint from one tenant to another requires meticulous planning, the right tools, and a thorough understanding of your organization's architecture. With careful execution, you can ensure a secure, seamless, and low-risk migration that minimizes disruption to your users.

If you're dealing with a complex environment or large volumes of data, consider consulting a Microsoft 365 migration specialist to assist in planning and execution.

Related articles: Migrate SharePoint On Premise to Online