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Written By
Suman Rawat -
Approved By
Sonika Rawat -
Updated on
July 26th, 2025 -
Read Time
7 minutes
Summary: Collaboration in Office 365 typically requires access to shared mailboxes. Unlike personal mailboxes, shared mailboxes don’t have any login credentials; instead, they are accessed by multiple users in the organization. However, if you’ve been wondering how to import PST to shared mailbox, you may find/need some additional steps and permissions. This blog describes freeways and a PST to Office 365 Migration Tool based on the user’s degree.
Before proceeding with the methods, it’s important to clarify how import to shared mailboxes differs from those to personal mailboxes. The specific reasons for it are:
These differences are key because several users assume that simple drag and drop to shared mailboxes does the task. But no, it requires a bit more setup.
While there are several options available for the import, including free online tools. Here, we have provided secure and relevant solutions for PST to Office 365 shared mailbox migration. It includes a few manual ways and a dedicated expert utility that makes the process smooth, fast, and efficient.
You can import with MS Outlook if you have the correct permissions and fulfill the prerequisites. On the other hand, if an expert, you can use Network Upload with Office 365 Import Services. Learn how you can do it as specified below:
Prerequisites you need to ensure before the steps are:
Now, the steps are:
Note: Ensure not to import into your primary mailbox. You need to explicitly select the Shared mailbox.
MS Office 365 provides a built-in Microsoft Purview Compliance Center Import/Export. The simplified steps for it are:
This is just an outline of the process. For a detailed description, go through this: Import PST File to Office 365.
Note: Though reliable, this method is a lot more technical and recommended mainly for enterprises. It supports users with large-scale migration to an extent and centralized logging.
It is another way if you do not wish to take the long Network Upload route for your large-scale migrations. The steps for this process include:
An IT admin for an MNC tech company queried,
“We have 150+ Outlook PST files from different users. How can we bulk import PST to Office 365 Shared Mailbox without disrupting access or Outlook usage?”
To resolve their query, we suggest the following method:
For bulk and or continuous PST imports into Office 365 shared mailboxes, manual methods can introduce risk, taking up your limited time and effort. Thus, consider a professional SysInfo PST to Office 365 Migration Tool, which is created exclusively for Microsoft 365. This tool imports PST directly to the shared mailbox without using Outlook.
It can also maintain the original folder structure, metadata, and timestamps during the import process of emails, contacts, calendars, etc. Additionally, it allows filter selection(s). Moreover, it even has support for importing to multiple shared mailboxes concurrently on any Windows or Mac OS.
Import PST File to Shared Mailbox in Office 365
Note: These tools are useful specifically for system administrators, migration teams, or organizations with PST archive files for restoration centrally.
The ability to import PST to Shared Mailbox in Office 365 is relatively simple, but with the proper configuration and knowledge of its nuances. Outlook is great for infrequent or incidental PST imports (proven to be cumbersome). Also, Microsoft Network Upload and Drive Shipping are fine for technical experts with time. But for large quantities and multiple shared mailboxes, professional tools are safe and scalable.
Need to import several shared mailbox archives in bulk? Speak with our migration expert or schedule a demo of our PST to Office 365 Import Utility.
Ans- To upload your PST files into Shared Mailboxes within Office 365, use these steps:
1. Launch PST Import Tool and add your PST files to it after you click Restore.
2. Then, verify the added PSTs and click Next to save the files in Office 365.
3. Sign in with modern browser authentication to your Office 365 account.
4. Further, choose filters to apply, tap Next, and pick the Shared Mailbox for mapping.
5. At last, click the Restore button to complete the import of PST files into shared mailboxes.
Ans- No, incremental migration isn’t possible with the native Outlook, Network Upload, or Drive Shipping methods. For this, you can use the automated PST Migrator Tool.
About The Author:
Suman Rawat is a technical content writer and expert in the fields of email migration, data recovery, and email backup. Her passion for helping people has led her to resolve many user queries related to data conversion and cloud backup.
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