Office 365 Outlook pst file export | Office 365 mailbox backup | Office 365 mailbox export

The process of exporting a PST file in Office 365 Outlook involves several steps to ensure a successful backup of your emails. Here is a summary of the steps involved based on the provided sources:
1. **Access Office 365 Admin Portal**: Sign in to your Office 365 account and navigate to the Admin portal to access the necessary settings for exporting mailbox items to a PST file[3].
2. **Open In-Place eDiscovery & Hold**: Within the Admin portal, open the In-Place eDiscovery & Hold section to set up the search query for the mailbox items you want to export[3].
3. **Create a Search Query**: Define a search query by entering a name and description for the search, selecting the mailboxes to cover, and specifying keywords for the search criteria[3].
4. **Export Mailbox Items**: After setting up the search query, use the Export to a PST file option in the Exchange admin center to export the search results to a PST file format[3].
5. **Customize Export Options**: In the eDiscovery PST Export Tool, you can browse to choose the location to save the exported PST file, set options like deduplication and including unsearchable items, and then start the export process[3].
6. **Monitor Export Progress**: You can use PowerShell cmdlets like Get-MailboxExportRequest to monitor the progress of the export request and remove the export request once the process is complete[4].
7. **Alternative Method Using Outlook**: Another method involves using Outlook to export data into a PST file. This method requires configuring your Office 365 account with POP configuration in Outlook and following specific steps within Outlook to export the mailbox to a PST file[4].
By following these steps, you can effectively export your Office 365 Outlook mailbox to a PST file, ensuring that your emails are backed up securely for future reference or migration purposes.
Citations:
[1] www.bie.edu/si...
[2] answers.micros...
[3] www.clouddirec...
[4] www.systoolsgr...
[5] answers.micros...
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