Archiving is the process of transferring data to a secure repository, serving as a backup or a distinct mailbox. This repository offers independent storage, much like the primary mailbox (Inbox), allowing for individualized email storage.

In Office 365, this mailbox is referred to as the Archive Mailbox, also known as the In-Place Archive. It serves as an additional mailbox designed to separate emails from those residing in the Inbox. Once enabled, any user can access these archive mailboxes to store their inbox emails separately.

An archive mailbox offers the advantage of providing a centralized location for storing emails that are no longer required while ensuring quick and easy access to them. Furthermore, this approach allows users to maintain a well-organized and easily accessible main Inbox.

However, many organizations still want to save their Exchange Online data on the local machine. There are several reasons behind Office 365 Backup is critical, some of which include:

  • To secure data from online hacking
  • To maintain a local copy of their cloud data
  • To conserve storage space of Exchange Online
  • To access data on local systems or in MS Outlook

However, transferring archive mailboxes to PST and saving them on a local machine can be challenging due to the absence of direct manual methods. For instance, if you intend to configure Office 365 account in MS Outlook and subsequently export the archive mailboxes to PST, it can be a time-consuming process.

Also, there is a possibility that you might only find Archive folder in MS Outlook and not Archive mailboxes. Thus, this methods is not hundred percent reliable.

So, what is the best technique to export archive mailboxes to PST?

We believe using an automated Office 365 Backup and Restore solution to export Office 365 Archive mailboxes to PST.

Automated Solution to Export Office 365 Archive Mailboxes to PST

Kernel Office 365 Backup & Restore stands out as a robust solution designed for backing up Exchange Online mailboxes, public folders, and archive mailboxes. It also offers users the capability to import PST files into Office 365 and Exchange mailboxes. With its advanced filters, this tool empowers users to selectively migrate mailboxes and data according to specific criteria such as time, date, and item type. Moreover, the tool's operation is exceptionally smooth and straightforward.

Now, let us check the process to export archive mailboxes to PST with Office 365 Restore and Backup tool:

  1. Download the software and install on your system.
  2. After launching the tool, a window will appear on the screen with two options: Backup & Restore. Select the Backup option. Select the backup option
  3. A new window will appear on the screen. Click the “Add” button to add the Office 365 account. Add Office 365 account
  4. Now, enter the credentials for the account and click the “Add” button. Enter Office 365 credentialsNote: If you want to backup multiple mailboxes, then you need an Office 365 account with administrative privileges
  5. Once the Office 365 account is added to the tool, click Set Filter and Migrate Set Filter and migrate
  6. Now, select “Archive mailbox” from the drop-down menu and click “Migrate.” Now select Archive mailbox to migrate
  7. Use the advanced filters of the tool to export specific data of the Office 365 mailbox, and then click “I am OK, Start Migration. Use advanced filter option to export specific data
  8. Select PST option from the Save As pop-up window that will appear on your screen. Select PST option to save
  9. Select the saving location and click “OK.” Select the saving location
  10. Once it is done, you’ll receive a notification on the window displaying: Migration completed

This way you can quickly export archive mailboxes to PST.


At times, the need arises to back up an Office 365 archive mailbox to PST for offline accessibility. However, due to the absence of direct manual methods for accomplishing this task, the use of third-party software becomes imperative. In this blog, we explore how automated software can serve as an efficient utility to swiftly export Office 365 archive mailboxes to PST, eliminating any potential hassles.