Split OST File

Split Large OST File

A Perfect and Reliable Solution to Split Large OST File

  • Break a single OST file to multiple smaller ones
  • Split OST file by Folder, Date, Size, Year, Email ID, Category
  • Repair and Split corrupted .ost file to a .pst file
  • Outlook installation is not essential to OST file split
  • Supports all versions of Windows 10 and below

OST Splitter to Split Oversized Outlook .ost File

It is a very easy-to-use, professional software that can be used by both, home and business users. It is an efficient and user-friendly tool that can split large OST file in minutes. It is a reliable and relevant software that can break a .ost file into multiple smaller ones. The break can be based on a folder, a date range, file size or year. The software not only splits but also repairs minor corruption in an OST file. The large sized .ost file can also be converted to a PST file using this tool.

Main Features of the Split OST Tool

  • Divide Outlook Large OST File : Truncate an oversized OST file by splitting .ost file of large size into smaller ones. It is an effective tool that can migrate data from a large OST file to a PST file. The .pst file is of UNICODE format.
  • Break OST by Year, Date, Size, Folder, Email ID, Category : The OST Splitter can break an OST file larger than mailbox size. The break can take based on the specific folders, date-based, year-based, and file size, folder, email id, category. No data loss occurs after the split.
  • Repair and Split Large OST File : The software can not only split but also repair any minor corruptions in a .ost file. Mailbox data is repaired and recovered as soon as the Outlook OST file is scanned into the application.
  • Break Newly Created .ost File : The tool provides an additional feature to split a newly created Offline storage file. There is also an option to split data from an archived OST mailbox to a PST file.
  • Split Offline Storage Data Items : The Utility also has a facility to break mailbox data items from an OST file. Mailbox items like emails, contacts, tasks can also be truncated. Outlook installation is essential for any splitting procedure.
  • Create a New Folder for Data : Option to create a new folder for the separate new .ost files. There is also a report that gets generated at the end of the OST split process. This contains all the details of tasks performed during the split.

Technical Details of OST Split Tool

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OST Splitter Tool


49 US Dollar


Supports Windows 10 and below versions

Require Intel® Core™ 2 Duo CPU E4600 @ 2.40GHz 2.39GHz, RAM of 4 GB and hard disk space of 100 MB

Check How to Split OST Files

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How to Split Over-Sized OST Files in Microsoft Outlook

Testimonials About the OST File Splitter

‘This is an amazing product! Initially, I was a bit hesitant to use such a product to reduce my mailbox size. But once I started using it, I quickly got the hang of it. It is a very simple tool that can split large OST file in minutes. I am not a very technical person but was still was able to go through the guide with ease. Thank you!’

- Clay, Stevens, UK

‘There are more than five thousand emails in my mailbox. I was looking for a solution to split my offline storage. This way I could move some of my mailbox data and save it on another drive. There are conversations that I do not need now but could come in handy later. This is when I saw your product. It is very useful and best solution to solve my issue.’

- Blake, Steele, USA