Export Office 365 archive mailbox to PST
Many organizations today choose to use archive mailboxes to manage older, non-accessed emails instead of the regular mailbox. The archive mailbox benefits the storage capacity of your system and helps in retaining old emails to comply with data retention policies, as well as keeping your regular mailbox from overflowing. Further, in the process of exporting older archived mailboxes to PST is often essential for legal, backup, or audit purposes.
On the contrary, exporting Office 365 archive mailboxes to PST by using native method is complicated and time-consuming. It requires several manual tasks, some parts of it will have to be done using the PowerShell script, which will introduce data loss or mistakes. When large-scale migration or archiving is required due to compliance reasons, the native method is complicated for the company.

EdbMails Office 365 migration software takes a lot of the friction out of exporting archive mailboxes to PST, a far more intuitive and efficient solution compared to the native method. Batch migrations let organizations export multiple archive mailboxes at the same time, which cuts down both the time and effort. For organizations operating across different regions, EdbMails supports multilingual environments, making it practical for global enterprises. The advanced filtering options give administrators precise control over what gets exported — date, subject, and sender, so only the data that actually needs to come out ends up in the PST file. Taken together, it's a more secure, flexible, and straightforward approach than anything the native tools offer.
Reasons to Export Office 365 Archive Mailbox to PST
- Avoid data loss
When data is exported from the archives to PST files, it provides an extra layer of security in the case that cloud storage fails the data is backed up and saved in a PST file.
- Retain Mailbox contents for an extended period
It will enable you to save mailbox contents for a long duration of time, without relying on cloud-based systems.
- Protect Your Data From Unpredictable Attacks
By exporting the mailbox to PST files, you can protect your data from unplanned attacks such as system failure or unwanted data deletion.
- Protect your data from Cloud Ransomware attacks
Exporting mailbox contents to PST files can help protect data from cloud ransomware attacks in the cloud.
- Mailbox archiving in Office 365 for audit compliance
Exporting mailbox data into PST files ensures email data is readily available to for audits or during legal processes.
- Avoid data loss
Pre-requisites to export Office 365 archive mailbox to PST
- Make sure Microsoft Outlook with a profile is installed on the computer on which you will export the Office 365 archive mailbox to PST.
- Make sure you have enough space on your computer's drive to store the PST file you will be exporting.
Steps to export Office 365 archive mailbox to PST using EdbMails
Step 1: Download and Install EdbMails application
- Download and install the EdbMails application on your computer running on Windows OS.
- Open up the application, fill out your information and click the 'Login' button, or just hit the ‘Start your Free Trial’ button.
- Select the ‘Office 365 Migration’ option.
- Choose the 'Office 365 to PST Export’ option.
- You can either proceed with the default job name or click the 'New Job' button to enter a custom name.
- Click ‘Browse’.
- Select the folder where the exported PST files need to go — the drive should have enough free space to handle the output without running into storage issues.
Step 2: Connect to source Office 365 server
- For a fresh connection to the source Office 365, click 'Add New Connection' or if there's already a connection set up, select it from the list and hit 'Connect to Existing' to continue.
- Select 'Connect to Archive Mailboxes (In-Place Archive)' and then click 'Next' to proceed.
- Select the authentication method you prefer and click ‘Login’ button.
Connect to Office 365 server using secure modern authentication
- Sign in on the Microsoft authentication page using a global admin account
- Once authentication is successful, select a method to load the mailboxes. Alternatively, you can load and migrate mailboxes using a CSV file.
Step 3: Select Office 365 archive mailboxes
- Select the archive mailboxes you want to migrate, and click 'Next' to connect to the target server.
Step 4: Start Office 365 archive mailbox to PST export operation
- Verify the archive mailboxes for the export operation and ensure to Set the ‘Action’ as ‘Export’.
- Click ‘Start Export’ button to begin the export process.
- That's it! During export operation, you can view the progress as shown below.
- After the export process finishes, you'll receive the completion notice. EdbMails generates export operation logs and you'll be able to see it after clicking the ‘View Logs’ button.
- After the export process completes, please open the generated PST file using Outlook and make sure that the items like email, calendar, contact, etc. are exported.
Benefits of EdbMails for Office 365 Export Archive Mailbox to PST
- Scalable and Flexible for Various Migration Needs
The EdbMails offers an easily scalable solution for exporting Office 365 archive mailboxes to PST. Whether you're looking to export a couple of or huge numbers of archive mailboxes, the tool is easy and convenient to manage the various kinds of migrations.
- Metadata Integrity
During the export of email data, EdbMails maintains all the metadata of emails, which includes email timestamp, sender and receiver details, folder hierarchy, etc. The security of the data is kept intact and without risk of corruption or deletion, making the migration smoother.
- AES 256-bit Military Level Encryption
Security has been considered a key priority in the design of EdbMails software. EdbMails employs an AES 256-bit encryption to secure and safely transfer your data while performing the export. Military-level encryption in EdbMails keeps your Office 365 archive mailbox secure without having the fear of unauthorized access.
- Lifetime license
EdbMails comes with a lifetime license for Office 365 mailbox migration. After purchasing the software, you can use it and receive updates from time to time, ensuring it meets all your mailbox export needs without any additional cost.
- Free PST Viewer
EdbMails offers a Free PST Viewer that lets you examine the PST file before exporting it, without requiring any extra license. It proves to be an easy, accessible, and cost-effective tool if you wish to view PST files.




