How to Export Office 365 Mailbox to PST Using eDiscovery

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If you are looking for a simple way to export Office 365 mailbox to PST, your search ends here. In this article, we will describe the complete procedure to export PST from office 365 to your system. However, the best solution to serve the purpose is the advanced Office 365 Email Migration tool. It is recommended for the fast and effective export of your Office 365 mailbox.

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Microsoft Office 365 is a cloud version of the desktop MS Office Suite. It allows you to access Office applications like Word, Excel, Outlook, PowerPoint, etc., anywhere and anytime. Office 365 offers multiple plans to users. Now, you can store all your valuable data on the Microsoft server.

Apart from all the premium features, the need to backup the mailbox data is still there. If you have all your mailbox files in your system, you can use them for multiple purposes. So, it becomes even more mandatory to export mailbox to PST office 365.

Before learning the procedure to export o365 mailbox to PST, you should know the main reasons for downloading the data.

Why Export PST from Office 365 Account?

If you want to know why you should export email from Office 365 to PST, the list of reasons will be unending. But some of the reasons are more prominent and significant than others. We will mainly discuss them.

  • The first main reason to backup Office 365 mailbox to PST is that it helps restore the data in case of unintentional data loss. If your Office 365 crashes frequently, you can recover the complete mailbox using the backup file.
  • Downloading your emails to your system gives you offline access to the mailbox data. You can open the emails without internet access. It is beneficial when you have a weak internet connection.
  • After downloading your emails to your system, you can delete them from the server. It will create space for new emails. Thus, it helps you in maintaining the required storage in the mailbox.

The above reasons are enough to describe why you need to export PST from Office 365. Also, there are some requirements before you initiate the migration.

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How to Export Office 365 Mailbox to PST using eDiscovery?

The migration of your Office 365 to PST file format consists of multiple steps. Every step is mandatory to export the mailbox. The approach through which you are downloading the data is known as a manual method. Follow the steps below to export Office 365 mailbox to PST file format using eDiscovery.

  • Add the User to eDiscovery Administrator
  • Create a Content Search Enquiry
  • Export Office 365 Mailbox to PST Using eDiscovery Export Tool

Prerequisites for Migrating the Mailbox Data

Apart from having technical knowledge, the only prerequisite to migrate the mailbox data is having an admin account for Office 365. You can only perform the steps to export mailbox to PST Office 365 with admin access.

Step 1. Add the User to eDiscovery Administrator

  • Go to the login page of Office 365. Enter your login credentials and sign in to your account.
  • Now, click on the App Launcher icon and press the Admin icon to open the Microsoft 365 Admin Center.


  • Select the Security option from the left pane. It will open the security and compliance section.


  • Click on the Permission tab and then select the eDiscovery Manager to export Office 365 mailbox to PST.


  • Now, in the eDiscovery Manager window, scroll down to the eDiscovery Administrator and click Edit.


  • After that, press the Choose eDiscovery Administrator option and add mailbox users.

Choose eDiscovery Administrator

  • Tick the name of the member and click Add. Press the Save button to save the change.

Step 2. Create a Content Search Enquiry

  • Now, on the Security and Compliance page, click on the Search drop-down and then select the Content Search option.

Security and Compliance

  • It will open the Content Search Click on the New Search button on this page.

Content Search page

  • After that, fill in all the details required to add the Content search – Name and descriptions, locations, conditions, and review your search.


  • After entering the required details, click on the Submit button and then press the Done button.

Step 3. Export Office 365 Mailbox to PST Using eDiscovery Export Tool

  • After adding a user to the eDiscovery administrator and creating a new content search, you can start the Office 365 mailbox migration.
  • Click on the newly created Content Search to view its summary. Check the status of the search.
  • As the content search process gets completed, hit the Actions Choose the Export result option from the list.

hit Actions button

  • It will open the Export result windows in the side section. Click on the Export button at the bottom of the page.
  • On the Content Search page, select the Export Click on the newly created Export result.
  • The export result page will appear in the side window. Go to the Export key and click on the Copy to Clipboard option.

clip to copyboard

  • After that, press the Download results It will download the eDiscovery export tool to your system.

eDiscovery export tool

Note: The status for the export must be completed to perform the above two steps.

  • Launch the Export tool and paste the Export Key in the required field. Click on the Start button to initiate the Office 365 migration to PST.

The above steps constitute the complete procedure to Export Office 365 Mailbox to PST. As you can see, these steps are complicated and not suitable for novice users. Moreover, the above technique takes around 24 hours to complete o365 export mailbox to PST. So, instead of adopting the standard procedure, using professional software is a more convenient option.

An Advanced Alternative to Standard Approach

The manual steps are not performable for non-technical users. So, the best option is to use a professional Office 365 migration tool. It allows you to export Office 365 mailbox to PST in a few simple steps. Also, this technique is faster because it does not take 24 hours to complete the export. In every way, The Office 365 migration software is the most suitable approach.

Questions related to Export PST from Office 365 asked by users

Q 1: How do I export emails from Office 365 to PST?

Ans: The complete procedure to export Office 365 mailbox to PST is mentioned above. You can follow the steps and migrate your data. Also, you can use the professional Office 365 Backup tool. It is the fastest and easiest way to export your mailbox to PST.

Q 2: How do I archive Office 365 mailbox to PST?

Ans: There are multiple ways for office 365 archive mailbox to PST. Firstly, opt for all the desired emails and then right-click on them. After that, choose the Archive option. Similarly, you can also archive emails in the Outlook desktop application.

Q 3: What is the purpose of a PST file?

Ans: A PST (Personal Storage Table) file is the Outlook data file that stores the complete Outlook mailbox data. You can use this file to restore all your emails and data when needed.

Q 4: How do I move my Office 365 mailbox to another user?

Ans: The best way to move your Office 365 mailbox to another user is through the Office 365 Migration software. It will take a few steps to transfer the data.


After reading the complete article, we can conclude that the manual procedure to export Office 365 mailbox to PST is effective but is not performable by novice users. The fast and reliable option for everyone is the advanced Office 365 migration software. It makes the PST export easy and effective.

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