Import PST to Online Archive Office 365 - 100% Working

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Anshu_123

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Managing large mailboxes in Office 365 can be challenging, especially when dealing with old emails stored in PST files. Fortunately, you can import PST files to an Online Archive in Office 365 to free up space in your primary mailbox while keeping your data accessible.

Methods to Import PST to Online Archive​

1. Using the Import Service in Microsoft Purview​

Microsoft provides an Import Service that allows you to upload PST files to Azure Storage and import them into user mailboxes, including Online Archive. Here’s a simplified process:

  1. Prepare PST Files – Ensure they are accessible and stored on a local or network drive.
  2. Upload to Azure Storage – Use the Office 365 Import service to upload PST files to an Azure storage location.
  3. Map to Online Archive – After uploading, use a CSV mapping file to direct data to the Archive Mailbox instead of the primary mailbox.
  4. Start the Import Process – Microsoft will process the PST files and move the data to the specified location.

2. Manual Import via Outlook​

You can also manually move emails from a PST file to an Online Archive using Outlook:

  1. Open Outlook and connect to your Office 365 account.
  2. Go to File > Open & Export > Open Outlook Data File and select the PST file.
  3. Drag and drop emails from the PST file into the Online Archive folder.
This method is useful for small-scale imports but may be time-consuming for large data sets.

3. Import PST to Online Archive using Third Party Software​

Using the Cigati PST to Office 365 Migration Tool simplifies PST import to Online Archive in Office 365, saving time and reducing the risk of errors. If you have large PST files or multiple user accounts to migrate, a professional tool is the best choice.
  • Download and install the tool on your system.
  • Log in using Office 365 admin credentials.
  • Load single or multiple PST files from your local or network storage.
  • Map each PST file to the corresponding Online Archive Mailbox of Office 365 users.
  • Choose specific folders, date ranges, or email categories to migrate only necessary data.
  • Click on the Convert button to start process.
By following these methods, you can efficiently import PST files into Office 365’s Online Archive, ensuring better mailbox management and compliance.
 
Are you looking for a solution on how to import PST emails to Microsoft 365? If yes is your answer, then try this amazing CubexSoft PST Converter Tool for Mac & Windows. This software can convert multiple Outlook PST emails to Office 365 cloud accounts. It converts all Outlook emails, contacts, calendars, and other items without any data loss. It keeps all the folder structures without any changes or data loss during the conversion process. This software supports various saving options like PDF, MBOX, EML, MSG, DOC, OLM, PNG, Office 365, Gmail, G Suite, Thunderbird, and so on. It was compatible all the latest and below versions of MS Windows OS and Mac OS.
 
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