FreeViewer OST Splitter Software

OST File Splitter Tool to Break Oversized OST File into Small Parts of PST File

(Average Rating 4.7 Based on 87 Reviews)
  • Divide Large OST File into Small Parts by Date, Size, Year & Folder
  • Microsoft Outlook Installation is Necessary to Break Large OST File
  • Permit Users to Split Oversized OST File into Small UNICODE PST Files
  • Allow Users to Divide OST File Complete Data Like Emails, Contacts, Etc
  • No File Size Limitation: Split Any Size OST File Into Small Parts of PST File
  • Tool Is Compatible with Microsoft Windows 10, 8.1, 8, 7 and Below Versions

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Compatible with All Latest Windows OS

FreeViewer OST Splitter

3-Step Approach to Divide Large OST File

Free Download OST File Splitter Software and Install on Windows OS

Next, Click on Split Option to Select Large Size Outlook OST File

Split Outlook OST File by Date, Size, Year and Folder in Unicode Format

Special Features of OST File Splitter Software

OST Splitter Software's Best Features to Divide Large OST File

Split Large Outlook OST File

The OST Splitter Software facilitates users to divide large OST file into small parts. In addition, the software breaks the OST file into multiple small UNICODE PST files. However, it does not impose any file size limitation and preserves the meta properties also. It also provides users an option to save the resultant PST files at any desired location.

Option to Divide OST File by Size

In order to break the OST file by size, one can use this OST file splitter software. This application will help users in splitting the large size OST file into small parts of equal size. A user needs to choose this option and specify the size to split OST file. The software will break Outlook OST file into multiple parts according to the specified size range only.

Break Outlook OST File by Date

The Outlook OST Splitter Software provides users an option to split the oversized OST file by date also. A user can specify the date and the tool will break the OST file by that date only. However, the first part will contain files prior to the specified date and second part includes data after that date.

Option to Split OST File by Year

If a user wants to break OST file by year, then one can use this Outlook OST Splitter Tool. However, the application allows creating a separate OST file on the basis of a year. For example, if one has selected year from 2012 to 2017, then a user will get 5 files separately. It creates separate PST file for each year.

Allows to Break OST by Folder

Another possible way to reduce OST file size is to split OST file on a folder basis. The OST Splitter Software permits users to creates a separate file for each folder present in the OST file. Moreover, a user can divide archive OST file also using this application. Moreover, the tool is compatible with all versions of the MS Outlook.

Create A Folder to Save Resultant File

OST Splitter Software allows users to divide large size OST file into smaller sections without affecting the original structure. After split OST file process, the application provide option to create a new folder to store the resultant files in a customized way. By default, the .csv file is saved in the same place.

OST Splitter Software Specifications
Free Download OST File Splitter to Divide OST File
  • Size: 20.8 MB
  • Version: 3.0
  • MD5: 5fed9cc838b4dcad9f40967c0b537233
  • Processor: Intel® Core™ 2 Duo CPU E4600 @ 2.40GHz 2.39GHz
  • RAM: 2 GB of RAM (2 GB is Recommended)
  • Hard Disk Space: 100 MB of free hard disk space required


Trial Limitations

Trial version of OST Splitter Tool allows users to Split first only 50 Items of OST file.

Application Pre-Requisites

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 or above should be installed.
Microsoft Outlook 2003 / 2007 / 2010 / 2013 / 2016 / 2019 (32 or 64 Bit) should be installed and configured properly.

Product Guides

Installation Uninstallation User Guide

Supported Versions

Windows 10 32bit/64 bit, Windows 8 32bit/64 bit, Windows 7 32bit/64 bit, Windows Server 2012, Windows Server 2008 and All Below Versions.
Microsoft Outlook Version 2003, 2007, 2010, 2013, 2016, 2019 (32 or 64 Bit).
OST Splitter Full Version Order Now
Get an Overview of OST File Splitter Features – Trial vs Full
FeaturesTrial VersionFull Version
Split Oversized OST File of Outlook
Divide OST File by Size
Break OST File by Date
Split OST File by Year
Break OST File by Folder
Support Windows 10 & Below Versions
Limitation of Split OST File50 ItemsAll Items
Frequently Asked Questions

Listed Commonly Asked Questions and Answers

Split OST File by Date, Year, Size or Folder:

  • Step 1: Install & Run OST Splitter Tool
  • Step 2: Click on Split Option to Add OST File
  • Step 3: Next, Split OST File by Size, Date, Year, Folder
  • Step 4: Click on Next to Start Process to Divide OST File

No, the OST file needs to recover first before splitting as the OST Splitter Software will divide healthy OST files only.

Yes, it is necessary to have Microsoft Outlook installed on a machine to perform the splitting process. Otherwise, the OST File Splitter software will create CSV file only.

Yes, the OST Splitter Tool provides an option to split OST file by year. One just needs to select the years, the tool creates a separate OST file for each year.

No, the Outlook OST File Splitter does not impose any file size limitation while reducing OST file size.

Yes, the OST File Splitter software maintains the integrity of data even after splitting OST file into small PST files.
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