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How to Export an Exchange Online Data Source to PST Format

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To export multiple files, note the following:

  • An export of more than 2 items will result in a ZIP file.

  • An export exceeding 10GB or 25,000 items will result in a nested ZIP file.

  • Any items previously unable to be exported continue to work as designed.

Note that there is a known issue when using the Windows 10 built-in extraction tool to extract ZIP files. To avoid any issues, use the Windows extraction tool from Windows 11 and older than Windows 10, or other zip tools such as 7-Zip.

Use the following steps to export Exchange Online data:

  1. Log into https://login.barracudanetworks.com/. If you are not automatically forwarded to the Cloud-to-Cloud Backup application, select Cloud-to-Cloud Backup from the left pane.

  2. Navigate to the Protect page from the top navigation menu, and select the Exchange data source.

  3. To find a historical email or folder revision from a previous date, click the date in the BACKUPS FROM calendar. Use the calendar to select the desired day to view data available for restore from that date.

    ccb_updatedExchangeSearch.png

  4. Select the user mailbox from which to export data.

  5. Select the folder from which to export data and locate the item(s) to export.
    Alternatively, using the search bar, type in a search term. The results with the search term in the subject line are displayed.

    ccb_updatedExchangeSearchBar.png

  6. Select the item(s) to export, and click the EXPORT button. A notification displays at the bottom of the page. 

  7. To view the export status, go to the Reports page. 

  8. To download the item(s), go to the Reports page and click on the item(s) you exported. Click Download to download the item(s). A single file export less than 10GB will download automatically. If you are exporting multiple files, see below.

    ccb_exchangeExportDownload.png


    Alternatively, go to the Export section in the Dashboard to download the item(s). Click DOWNLOAD next to the item(s) you want to download. A single file export less than 10GB will download automatically. If you are exporting multiple items, see below.

    ccb_exchangeExportDashboard.png

When exporting multiple files, the Download link in the Reports page and Export section of the Dashboard will bring up a new page listing the PST file(s) in the export job. Note that you can only download the PST file(s) from this page. If the export job exceeds 10GB or 25,000 items, the page includes details of each PST file. Use the browser download manager to select one or more download jobs at your convenience.

Note that exports will be available to DOWNLOAD for 3 days. The Dashboard will display the last 7 export jobs. To view full export history, go to the Reports page.