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Split MS Outlook OST File

Tool to Break Oversized Outlook OST File into Small Parts

(Average Rating 4.7 Based on 120 Reviews)
  • Divide large OST file into small parts by Size, Date, Year, Folder, Email ID & Category
  • Reduce the size of recently created OST & archive Outlook OST file
  • Option to Add OST File / Folder and Search OST Files
  • Option to Split all items of OST file i.e. emails, tasks, journals, contacts, etc.
  • Break Offline Outlook OST without any file size limitation into PST (UNICODE)
  • Run the tool as a standard / guest user without requesting administrative privileges
  • MS Outlook Installation is not necessary for splitting large OST data files
  • Supports Outlook 2021, 2019, 2016, 2013, 2010, all the below versions

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Why Use OST File Splitter?

Outlook PST Converter

OST file is a data file of the MS Outlook application. It is an offline folder file that makes it easy for the users to work in an offline mode. As the connection is established again, it gets synchronized with the Exchange Server. However, OST file stores all data like emails, contacts, calendars, etc., available in Outlook mailbox. Sometimes, OST file grows unnecessarily large and starts generating issues. For example, Outlook becomes slow or corruption in OST file. Therefore, to prevent such type of issues, it is important to reduce OST file size by splitting it into multiple parts.

Why Use OST File Splitter?

In order to split MS Outlook OST file, a user is simply suggested to use OST File Splitter. It is a software that is designed specially to divide OST file into multiple parts by size, date, folder or year.

The user interface of the application is really simple to use that anyone can use it minimum technical knowledge also. Moreover, the tool supports MS Windows 10/ 8.1/ 8 and all below versions.

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MVP & Expert Reviews

Remarkable Features to Split MS Outlook OST File

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Break Oversized OST File

With the help of OST File Splitter, a user can reduce OST file size by dividing it into smaller parts of PST file. In addition, the tool is capable enough to break ANSI & UNICODE OST file without nay hassle. The application also makes sure that it does not compromise data integrity. Moreover, it preserves the Meta properties like To, Subject, Bcc, Cc, etc., also of OST file even after process completion.

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Divide Outlook OST File by Size

While splitting OST file into multiple PST file, the tool provides users an option to divide OST file by size. However, a large OST file creates many issues for the user. So, with the help of this option, it becomes easy for them to split Outlook OST file into small parts. One can easily specify the size and the tool will break OST file according to that only and reduces the chance of corruption.

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Split OST Data File by Folder

If a user wants to divide Outlook OST files on a folder basis, then the software provides an option for the same. The OST file Splitter provides users an option to create a separate file for each of the specific folder present in the OST data file. In addition, a user can break the desired folder based on the size also. However, in order to split the corrupted OST file, one needs to repair it first.

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Break Outlook OST by Year

In order to split OST file according to year, a user can simply use this software. To do the same, a user needs to choose “split MS Outlook OST by year” option. After that, specify the range of year, for example, 2010-2017, the tool will create a separate PST file for each year. It becomes easy for a user to access these files in Outlook without affecting the original structure of the files.

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Option to Split OST By Date

Another impressive feature of this OST File Splitter is divided OST by date. After considering the requirement of the user in mind, the tool provides users an option to divide the OST file on date basis also. After specifying the date, the tool will break OST file into two parts. First part will contain items "of and prior" the defined date and second part will contain the items after the specified date.

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Save Resultant File at Desired Location

The OST file Splitter provides users an option to split MS Outlook OST file into different segments. In addition, it preserves the data integrity and original formatting of the data. After splitting OST file, the software allows users the to save the resultant files to a new folder. Moreover, the CSV file is stored at the same location by default.

OST Splitter Software - Working

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OST Splitter Software Specifications

Download Tool to Divide OST File

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Size: 26.1 MB

Version: 5.1

MD5:5419d6b5f486a0184f8c83cdffadee67

Trial Limitations

Limitations
Demo Version of OST Splitter Tool allows users to Split only first 50 Items of OST file

System Specifications

Hard Disk Space
100 MB free space for installation

RAM
4 GB RAM (4 GB Recommended)

Processor
Intel® Core™ 2 Duo CPU E4600 @ 2.40GHz 2.39GHz

Pre-Requisites

  • Microsoft .NET framework 4.5 or above should be installed

Supported Editions

  • Microsoft Windows: Windows 11 (64 bit), Windows 10, 8, 7 (32 bit or 64 bit) & Windows Server 2022, 2019, 2016, 2012 R2, 2008
  • Microsoft Outlook: 2000, 2003, 2007, 2010, 2013, 2016, 2019, 2021 (32-Bit & 64-Bit)

FAQs

Question: Is your Anti-Virus blocking the software export proccess?

Solution: Please Disable Anti-Virus Temporarily / Allow access (Whitelist) from Anti-Virus Settings for proper working of the software.

Question: Unable o Create Output in Destination?

Solution: Please avoid source from NAS, SAN, Network or Shared Drive. Source File should on migration machine to perform successful migration.

Electronic Delivery

The delivery of product is automated.You will receive an email containing both the link to download the product and the activation key within few minutes after payment confirmation.

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Features Overview of Free OST Splitter & Full Version

Features FREE Version PRO Version
Add Outlook OST File

Split OST by Size, Folder, Date, Year, Email ID & Category

Save Output Files at Desired Location

No File Size Limitation Imposed

Split OST files Split First 50 items All Items
Cost FREE $49

Frequently Asked Questions

Common Query Related to OST Splitter Software

Follow the steps to split OST file:

  • Step 1: Install & run the OST Splitter Software
  • Step 2: Click on Split Option and Add OST File
  • Step 3: Now, choose any of the Split Option
  • Step 4: Click on Next to begin the splitting process
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Yes, the software provides you an option to break OST by year also with the help of OST File Splitter., You can split OST file into Multiple small files according to the defined size. You can define size from 5 MB to 10 GB to Split a file.

Yes, this application is capable enough that it split the OST file and does not compromise the originality of data. Therefore, zero chances of data loss using this OST File Splitter.

Yes, you can easily divide both ANSI & UNICODE OST file without any trouble using this OST File Splitter application.
Yes, tool repair OST file before splitting damaged OST file.

Clients Reviews on Software

OST Splitter Tool Verified Purchase Reviews

4.7
120 Ratings
5 Star
88%
4 Star
217%
3 Star
7%
2 Star
0%
1 Star
3%