Export Emails from Outlook Web App to PST using Best Methods

Exporting emails from Outlook Web App (OWA) to PST means transferring email data from OWA (the browser-based version of Outlook) to a PST (Personal Storage Table) file, which is a file format used by Microsoft Outlook. This allows users to:
  • Back up their emails, calendar, contacts, etc.
  • Transfer email data to another Outlook account or system.
  • Archive emails for future reference.
The exported PST file can be opened using Microsoft Outlook on a local machine.

Methods to Export Outlook Web App Emails to PST​


To export emails from Outlook Web App (OWA) to a PST file, you can follow these methods:
  1. Use Outlook Desktop App: Add your OWA account to Outlook Desktop, then use the Export feature (File > Open & Export > Import/Export) to export to a PST file.
  2. Third-Party Tools: Use tools like Aryson IMAP Backup Tool, which directly exports emails from OWA to PST.
  3. eDiscovery PST Export Tool: If you have admin rights, use Office 365 eDiscovery to export OWA mailbox data to PST.

Here are the steps to export emails from Outlook Web App (OWA) to a PST file using the Outlook desktop app:​

  • Open Outlook on your desktop.
  • Go to File > Account Settings > Add Account.
  • Enter your OWA email address and credentials to add the account.
  • In Outlook, go to File > Open & Export > Import/Export.
  • Select Export to a file, then Next.
  • Choose Outlook Data File (.pst), then Next.
  • Select the mailbox or folder to export.
  • Choose the location to save the PST file and click Finish.
 
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