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How to Move Office 365 Mailbox to Another Account – Step By Step Guide Elucidated

Summary: If you are looking for a step-by-step guide to transfer Office 365 mailbox to another account then, this post is for you. In this article, we are going to describe an easy and reliable way to do the same operation without losing a bit of data.

But before diving into the step-by-step procedure of this process, let’s go through the real-life situation and understand the problems faced by the users.

User Query:

My company has acquired a new business and we need to move Office 365 mailbox to another account the newly acquired Office tenant (220 users and data) to their existing Office 365 tenant. Both are solely cloud-based. The only other documentation seems to suggest using 3rd party tools as stated here. Has anyone used a good tool they can recommend? Ideally, one that can migrate across Office 365 accounts.


Microsoft 365 is the most used business productivity suite in the modern world, making it more common within business organizations nowadays. Because of this data migrations queries are arising quite often these days. The reason for this could be various like mergers, acquisitions, and divestiture activities.

Let’s discuss the step-by-step possible solutions to transfer Office 365 mailbox to another account.

We generally consider two ways to carry out data transfer projects in Office 365 nowadays.

  1. The conventional Approach Using PowerShell Scripts {Tough & Tedious}
  2. Automated Approach Using Professional Tool {Quick & Reliable}

Let’s discuss each approach in detail and then provide you the recommended way to safely perform this operation in Microsoft 365.

The conventional approach for this task is not recommended, as it requires great technical knowledge to perform PowerShell cmdlets scripts. Many IT experts do not recommend this method as it has its limitations and the risk of potential data loss. A minor mistake or miss type in these scripts can result in several errors in data migration. As organizational data is the most important factor, they should understand the downtime and potential risk involved in this manual method of migration Office 365.

Hence it is suggested to use an automated professional utility over the manual approach for data transfer operations in Office 365. Now, let’s discuss the step-by-step procedure of this approach to do the same.

Reliable Way to Transfer Office 365 Mailbox to Another Account

It is recommended by many IT experts to use Office 365 to Office 365 Migration Tool.  This utility is the one-stop solution for users seeking to move Office 365 mailbox to another account, it ensures 100% data security & integrity along with maintaining the folder hierarchy through the whole migration process.

It comes with free demo version users can self-verify the working performance of this utility for free. Demo versions work fine for two user’s accounts for further more migration users need to buy the full version. Moreover, users can download this software on any Windows OS, as it supports all the Windows OS.

Follow the Given Steps to Move Office 365 Mailbox to Another Account

With this utility, you can easily migrate data in Office 365 within few clicks. Follow the given instructions and steps to perform this operation:

Step 1. Download the above-mentioned tool and launch it on your windows machine. Select Office 365 as the source & the destination migration platform.

Step 2. Select the desired mailbox categories like emails, contacts, calendars, and documents. Also, enable migrate document permission, allow group mapping, and click on the Next button to transfer Office 365 mailbox to another account.

Note: Save time & effort by using the date filter option provided in this tool for selective data transfer. You can select the desired date range and the tool will only migrate those data that come in that date range.

Step 3. In this step, you have to provide the Office 365 admin account credentials of the source and the destination, such as Admin ID & Application ID and then you have to click on validate button for the permission validation and then click on next.

Step 4. In this step create the user group mapping between the source and the destination tenants. To accomplish this task, this tool gives us three different options like Fetch Users, Import Users, Download CSV file. Select the desired one and create user group mapping and click on the validate button.

Step 5. After validating all the required permissions, click on the start migration option, and the data migration process will start shortly.

Learn More About: Exchange Mailbox Migration to Office 365 – Smooth Migration

Let’s Sum Up Everything

And this brings us to the end. As data migration projects in office 365 cab be a mind hurdling and cumbersome task to perform. Moreover, sometimes it can potentially create data loss and corruption while performing this operation manually.

To make it an easier task we have come up with this smart solution, by using the above-given tool anyone can transfer Office 365 mailbox to another account easily in Office 365 with maximum data protection & security in a minimum span of time.

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