How to Export PST from Microsoft 365 Admin Center

Export PST from Microsoft 365

This blog discusses the ways to export PST from Microsoft 365 admin center and attachments. I will explain different solutions to export the Office 365 mailbox to PST from the admin portal. All procedures have been tested and verified by IT administrators. Read this guide and find the solution you have been looking for.

Why Backing up Email Boxes from Microsoft 365?

Exporting PST files from Microsoft 365 mailboxes offers several advantages, such as.

Security: Protect your data from cybersecurity threats or other potential problems by keeping it on a local drive.
Storage Space: Providing storage space by backing up your mailboxes to compact PST files, freeing up space in your Exchange Online account and saving costs.
Email Migration: Enhancing email migration when switching to a new email client or device, ensuring data continuity.
Legal Compliance: Archive emails and critical data, which is essential for regulatory and legal disputes, to ensure compliance with legal and compliance requirements.

Below are the steps to export your Microsoft 365 or Exchange Online mailboxes to PST files.

How to Export Microsoft 365 Mailbox to PST for Backup

eDiscovery offers the ability to search for content across various platforms such as Exchange Online, OneDrive for Business, SharePoint Online, Microsoft Teams, Microsoft 365 Groups, and Yammer Teams. This includes the ability to locate both mailboxes and sites in a single eDiscovery search and then export the results. To download PST from Microsoft 365 admin, follow these instructions.

Assign eDiscovery permissions

Go to the Microsoft 365 compliance portal and sign in with an account that can provide permissions.
In the left pane, select Roles & scopes and choose Permissions.
On the Permissions window, under Microsoft Purview Solutions, choose Roles.

Microsoft purview solutions

On the Role groups for Microsoft Purview solutions window, select the eDiscovery Manager.

Role groups for Microsoft purview solutions

Do one of the following actions on the eDiscovery Manager flyout pane based on the eDiscovery permissions that you want to assign.
Select Edit.

eDiscovery manager in Microsoft 365

On the Manage eDiscovery Manager window, select Choose Users.

Manage eDiscovery Manager

Search and select the user (or users) you want to add as an eDiscovery Manager, and then select, Select.

eDiscovery Manager user permissions

Select Next.

Manage eDiscovery Manager

To assign a user (or users) to the eDiscovery Administrator role group, select the Users.
Select Next.

Manage eDiscovery administrator

Examine the role group changes on the Review, the role group, and Finish pages. Select Save to save the modifications to the eDiscovery role groups.

Review the role group eDiscovery manager

Create Content Search in Microsoft Office 365

In the same portal, go to the Solutions section and select Content Search.

Microsoft 365 content search

Turn on the switch to Exchange mailboxes in the Locations wizard. Select the Choose users, groups, or teams to select your mailbox.

Content search Microsoft compliance portal

You will find a wizard to define search conditions.

Export Office 365 to PST File Format

In the Content searches list, locate and select the name of the search you performed in the previous step. When you do this, you will see that the search status indicates that it has been completed.
Click on the action menu and select return search.

Export PST from Microsoft 365

Click on the Action button and select Export results.

Export PST from Office 365

From the options provided, select Export Exchange content (one PST file for each user), and then click on the Export button to proceed.

Export exchange content PST file

Microsoft 365 compliance jo has been created.

Office 365 compliance job done

Go back to the list of content searches and select the Export button again.

Export PST from Office 365 admin center

Exporting PST from Office 365 is in progress.

Office 365 email export preparing data

Then, select Download Report. Keep a copy of the export key for future reference.

Export Office 365 PST download results

Click open.

Export PST

Following this, the method to install the Microsoft Office 365 eDiscovery Export Tool.
Paste the export key that you copied in the previous step. Additionally, select a location where you want to save the PST file.
Finally, click the Start button to initiate the process of exporting PST from the Office 365 admin center.

Office 365 eDiscovery export tool

eDiscovery export tool, exporting PST from Microsoft 365.

Exporting PST eDiscovery export tool

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