OST File Splitter

OST File Splitter
Significant and Best Tool to Split Oversized MS Outlook OST file into Small OST files

Client Rating: Client Rating (Average Rating 4.8 Based on 56 Reviews)

OST File Splitter Tool is a safe and reliable utility to break a large Outlook OST file into several small OST(s) without any hassle. Users can split Outlook OST files on the basis of Size, Date, Sender’s Name, and Folder. In addition, one can easily break the OST file containing emails, contacts, tasks into multiple OST files and keep away the possibility of data corruption.

  • Split MS Outlook OST files into different small OST files with 100% data accuracy.
  • Allows users to break OST files of any size which means there is no file size limit.
  • Offer Feature add Single and Multiple Offline OST to break it into small OST(s).
  • Divide Large OST files into multiple small OSTs based on size, date, sender’s name, and folder category.
  • Facilitates the option to ignore duplicate emails from the chosen OST folders.
  • Apply password protection to the resultant folder.
  • Supports all the OST files developed by different versions of Outlook\Exchange Server.
  • Compatible with all the latest versions of Microsoft Windows including Windows 10.
Remarkable Features of OST File Splitter Software
Reduce Size of Oversized OST

Reduce Size of Oversized OST

OST Splitter Tool is exclusively designed to reduce a large offline OST file into multiple small OST without any data lapse. The utility is always assisting that there is proper data integrity of the OST file while one can perform the split process.

Bulk Conversion of OST Files

Bulk Conversion of OST Files

With the help of OST File Splitter Software, users can perform the bulk migration(Add File/Folder) of oversized Outlook OST files into multiple small OST files without losing a single bit of item. In addition, the tool permits you to select folders containing emails, contacts, calendars, tasks and break them into several OSTs.

Split OST  file Outlook Based on Size

Split OST file Outlook Based on Size

Using the Outlook OST Splitter Utility, users can break the big OST file into small offline OST based on the size. After selecting this option, the software allows users to divide OST according to size. One can choose the size (in Megabytes (MB) and Gigabytes (GB)) so that they can have multiple OSTs of the same size.

Split Offline OST File Based on Date

Split Offline OST File Based on Date

This advanced OST File Splitter Tool is an efficient and prominent utility to reduce an oversized OST file into separate and manageable OST. And To split OST based on date range, users will have to select or define the "From Date and To Date" to initiate the OST folder split in between specific data ranges.

Feature to Ignore Duplicate Emails

Feature to Ignore Duplicate Emails

On the basis of To, From Subject, Bcc and Cc, users are capable of ignoring duplicate emails from the chosen OST folders and splitting only the OST folders containing no similar items into several small OST files. In addition, users get a feature to make a single or separate OST before splitting an OST file.

Set Password For a New Split OST

Set Password For a New Split OST

While splitting an OST file into several small OST files, the OST File Splitter provides users a feature to apply passwords on new split Outlook OST files. So that one can protect or secure them from an unknown source. Along with this, users can also preview the set password using the show password feature.

Split OST File By Sender

Split OST File By Sender

If users want to reduce the size of the Outlook OST file based on the Sender’s name, then opt with the Split OST File by Sender feature of the OST Splitter. Using this option, one can add single or multiple email addresses to split their large OST file, and the software automatically breaks them into small OSTs without any data hassle.

Split Outlook OST Based on Folder

Split Outlook OST Based on Folder

Offline OST Split Software is a safe and risk-free utility that allows users to divide a large Outlook OST file based on their chosen folders. After selecting this option, users can get features to save split OST files into a single OST and save separate OST for the selected folder.

Select Path Option For New Output File

Select Path Option For New Output File

OST File splitter Software provides an easy-to-use and interactive user interface so that users who are from non-technical backgrounds can also use it simply and easily. Additionally, users also get a feature to select a saving location for a new resultant folder in which split OST files will store.

Support all Windows & MS Outlook OST

Support all Windows & MS Outlook OST

Outlook OST Splitter is efficiently and exclusively designed to reduce a large OST file of any MS Outlook versions like 2016, 2013, 2010 into several small OSTs. Moreover, the software is also highly compatible with all the major versions of Windows such as Win 10, Win 8.1, Win 8, Win 7, etc.


Comparison of OST File Splitter Tool Demo & Full Version

Software Features Trial Version Full Version
Split Single/Multiple Large OST file 50 Items per folder All
Split OST file by Size, Date, sender, Folder 50 Items per folder All
Ignore Duplicate Email    
Option to define OST file size    
Feature to Set Password & Show Password    
Date Filter    
Single OST and Separate OST for Selected Folder    

Screenshots of OST File Splitter
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Frequently Asked Questions of OST File Splitter

How do I reduce the size of my OST file?

You can easily reduce the size of the MS Outlook OST file using the OST Splitter Tool. Follow these steps:

  • Firstly, download and install the OST File Splitter software.
  • Select Add files/Folder option to add the Outlook OST file & click Next.
  • Check the folders from the tree and go through with the Split OST by size option.
  • Here, you have to enter the size and select MB/GB from the drop-down.
  • Opt with other features of the software and locate paths to save split OSTs.
  • Then click on the Split button to initiate the process to reduce a large OST file.

How do I split an OST file in Outlook?

To Split an OST File, the software provides different built-in options(Size, Date, Sender’s Name, and Folder). You can implement the above steps correctly to split Outlook OST files.

What is the maximum OST file size that I break using your OST splitter tool?

There is no file size limitation of the Outlook OST file imposed by the OST Files Splitter software. Furthermore, you can split your oversized OST based on size, date, sender, and folder.

Does the software also consist of features to remove duplicate items?

Yes, the OST File Splitter Tool is exclusively designed to ignore duplicate emails from the chosen folders of a large OST file without losing a single data.

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