OST Split Tool


Split OST file of Large size of Outlook into smaller PST File using OST Splitter Software

  • Split Large OST File without large size limitation
  • Microsoft Outlook installation is not necessary to divide OST File
  • Split OST file by date, year, folder, size, email id & category Options
  • Provide multiple options to add OST: file / folder / search
  • Divide OST File into resulted UNICODE format PST file
  • Supports corrupted Outlook OST file and split into smaller parts
  • Split OST Created via IMAP, Hotmail, Exchange Server and Office 365 application
  • Software Supports Microsoft Outlook 2019, 2016, 2010, 2013, 2007, 2003, & so on.

Split OST Software Freeware logo

Split OST File in Windows10

Windows 10 Support

Split OST File Tool supports Outlook 2016

Outlook 2019

 OST Splitter supports 32/64 bit

32/64 Bits Support


100% Safe & Secure

OST Splitter Tool Features

split big OST file of Outlook 2003/2007/2010

Trim Outlook Large OST File

Split Large Outlook OST File into smaller PST Extension file using OST Splitter Tool. Convert the resulted file into Unicode format without discarding any important information.

Split OST File by Folder

Split OST file in Different Modes

Split OST Tool give you Different Modes option to trim Outlook OST File. Such modes are: Data, Size, Year and Date. User can select the different mode according to desired need to split OST File.

split OST File by Date

Split by Data Option

In this Option, a user selects the specific data in software prompt. This tool will create two PST Files as a result. First File stores all emails before the specified data and other PST File stored all the emails after the specified dates.

split Big OST file by Size option

Split by Size option

Using File size options to truncate OST File into PST form, user can select the File size range to divide the large OST file into equal smaller parts of Outlook PST File. Select Size in MB and GB limits.

Divide OST by year

Break OST File By Year

An easy method to split OST File data by using "split OST by year" feature in Software to break OST File according to year. On the basis Year, software easily converts emails according to Year selected. For Each year a different PST file is created.

Divide OST file by folder

Split by Folder option

The software offers to divide OST File Emails stored according to Folder. To divide according to Messages data according to Folder, select the Split by Folder option of OST Splitter software.

Introduction - OST Splitter Software

An OST Splitter software used to divide OST File of the big size stored by Microsoft Outlook in user machine. A user can apply different splitting given by OST Splitter Tool. Offer such as "Split by data" and "Split by Year". These features help a user to split OST File and save the according to these options.
A user can also save the resulted PST File into different Folder and last not least user can split Outlook OST File according to desired file size. User can also save the details of the Splitting process in CSV File format, to deal with any information related to processing and can save this file in the desired location.

Need of Split OST Tool

As OST File created while working with the Exchange Mode and cache exchange mode. As the Size of OST File increases with a large number of messages and other details it is difficult by the user to manage it properly and then try to find the solution of " how to Split OST File". Hence OST File Splitter Tool can be used to solve all problems related to the size of OST File by splitting up into smaller PST File.

  • If you are using Windows 10/8.1/8/7 or Vista, then please launch the tool as "Run as Administrator".
  • Microsoft .NET framework 4.5 and Above Version.

Demo Limit

Demo version of the Tool allows to split first 50 Items of OST file

System Specification

  • 100 MB of Hard Disk Space
  • 4 GB of RAM
  • Windows 10 & Below Versions
  • Intel® Core™ 2 Duo CPU E4600 @ 2.40GHz 2.39GHz

OST Splitter Tool Working Through Video

Split OST File Software- Replies All Doubts & Queries!

Yes, the tool offers an option to split OST File according to the different year.
No, There is no file size limitation imposed on OST File while dividing OST File.
No Data loss occurs while splitting the OST File, Tool also maintains the integrity of resulted in PST File.
Yes, a user can split Outlook OST File and save the report of the Splitting process in the CSV Format.
Yes, you can easily split PST file Outlook 2016 Versions & other below version of Outlook Applications.

Client Review of Split OST Software