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Exchange Mailbox Backup using OST file

Offline Outlook Data or OST files are stored by email servers in Microsoft Outlook. They contain a copy of the cloud mailbox data for instance from Office 365, Exchange server and IMAP accounts. OST files are created by enabling the Cached Exchange Mode option in MS Outlook . These files can work offline and the mailbox data in the cloud is kept synchronized with the local OST files when an internet connection is available.

Exchange Mailbox Backup using OST file

Reasons for backup and conversion of OST file to PST

  • Local OST files are prone to corruption, virus infection, unexpected system shut-downs, hardware failure events, ransomware threats etc.
  • OST files are orphaned due to Exchange server failures.
  • Difficult to completely recover corrupted OST files manually A cached OST file does not reflect the current mailbox contents on the server making it difficult to retrieve important data that has been lost recently.
  • Syncing issues of overgrown OST files with MS Outlook.
  • Accidental deletion of folders and files in Exchange server.

By converting the OST file to PST with EdbMails OST to PST converter, you can make a timely backup of your OST file and import the PST file into MS Outlook. Your mail data remains safe should anything happen to the local OST file or the Exchange server. EdbMails OST to PST converter tool maintains exact source and target folder hierarchy. All the data in the source OST file is replicated in the output PST file without modifying the source in any way making sure your precious data is intact.

How to convert the OST file to PST?

Steps to backup OST to PST

  • Browse the offline OST file that you wish to recover
  • Select the mailboxes and folders for export
  • Choose the location to save the exported data
  • Click the ‘Export to Outlook PST’ button to export the data to PST

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