EdbMails EDB Recovery and Migration software
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    Exchange EDB / Email Recovery Tools
    • EDB Recovery and MigrationRecover EDB to PST, EDB to Office 365 and Exchange NO Duplicate Migration
    • OST Recovery and MigrationRecover OST to PST, OST to Office 365 and Exchange Migration
    • PST Recovery and MigrationRecover Outlook PST, PST to Office 365 and Exchange Migration
    • MBOX Export and MigrationExport MBOX to PST, MBOX to Office 365 and Exchange Migration
    • NSF Export and MigrationExport NSF to PST, NSF to Office 365 and Exchange Migration
    Exchange and Office 365 Migration
    • Exchange Server MigrationMigrate Exchange 2007, 2010, 2013, 2016, 2019 to Office 365 tenants. Also, migrate between Exchange servers and PST
    • Office 365 MigrationMigrate Source Office 365 tenants to Destination Office 365 tenants. Also, migrate to Exchange Server and PST
    • IMAP Email Backup & MigrationMigrate all IMAP email servers (Gmail, Zimbra, Zoho, Yahoo etc.), Office 365, Exchange and Backup to Outlook PST
    • SharePoint Online MigrationMigrate documents, files and folders from SharePoint sites
    • OneDrive for Business MigrationMigrate documents, files and folders from OneDrive
    • Microsoft Teams MigrationMigrate Teams, documents, files and folders etc.
    Exchange and Office 365 Backup
    • Office 365 BackupIncremental, Granular, Encrypted and Compressed Office 365 Mailboxes Backup
    • Exchange Server BackupIncremental, Granular, Encrypted and Compressed Exchange Mailboxes Backup
    • SharePoint, OneDrive & Teams BackupBackup Online site collections, Team sites, Office 365 groups, all documents etc.
    • Duplicate Remover - Office 365 & Exchange Remove duplicate emails, calendars, contacts, journal etc. from Office 365 and Exchange
    • GAL and All Address Lists migrationDirectly migrate Exchange and Office 365 Global address list and Address Lists items
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  1. Home
  2. OST to PST Converter
  3. Split a large OST file to multiple PST files

Split Large OST files

Split a large OST file to multiple PST files

OST to PST Converter

Just $39 Onwards

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OST to PST Converter OST to Office 365 Migration OST to Exchange Migration Repair OST file
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Split Large OST files
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  • Corrupt OST file recovery
  • Unicode and ANSI OST format
  • Split OST file
  • Rebuild OST file
  • Exchange mailbox backup
  • Recover orphaned OST file
  • Recover all Exchange and Outlook OST files
  • Recover metadata and attachments
  • Export unlimited OST files to PST
  • Free OST file viewer
  • Granular recovery of OST file
  • Recover encrypted OST file
  • Recover deleted mailboxes from OST
  • Export email, calendars, contacts
  • Selective OST export
  • Migrate OST to Office 365
  • OST to Live Exchange
  • Outlook OST cannot be accessed
  • Log report

Split a large OST file to multiple PST files

OST file contains all the mailbox data since the time an account was created. This includes contacts, calendar entries, tasks, journals, emails, files etc.

What is the need to split an overgrown OST file?

Overtime, the user’s mailbox can get accumulated with insignificant and junk mail items leading to an enlarged OST file.

Some common issues of an oversized OST file are as follows

  • Oversized OST files may misbehave and cause corruption issues which calls for a timely backup.
  • Throws error messages during synchronization with MS Outlook.
  • Problems while loading or opening the OST file.
  • Frequent crashes of MS Outlook program.
  • Synchronization errors between OST and Exchange server cannot be fixed easily.

When such a bulky OST file is directly exported to PST, it increases the size of the PST file which leads to PST corruption. One solution to this problem is to split the target PST file into smaller chunks when converting from an enlarged OST file to PST. Microsoft Outlook doesn’t provide an option to individually split the PST files which can get tricky when the source OST file is very large.

How can I split the OST file in smaller chunks (smaller size) of PST, for email export?

EdbMails OST to PST converter comes with a feature to conveniently split the source OST file to multiple PST files during OST to PST export. Users can select the size of the resultant PST files which can then be imported back into Outlook.

Under 'Settings', select the option Automatically split PST file upon reaching the size for export operation and set the desired size for the PST file split. Exporting an oversized OST file is no longer a concern with EdbMails OST to PST tool.

automatic split PST

Useful links:

  • Steps to convert OST to PST
  • User manual for OST converter and migration
  • Settings - Apply filters for your Export / Migration
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A simple solution to OST recovery and export

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