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OST Splitter
Affordable solution to split oversized OST files

(Use magnificent solution Outlook OST Splitter to divide OST file without any file size limit into PST format. It easily breaks or split oversized OST file into multiple parts of Outlook PST format.)


$49.00 to Buy (Buy it Now)

Admirable Features of OST Splitter

ost splitter

Safely Split Outlook OST File of Large Size

Outlook OST splitter is the provides various opportunities to users to reduce OST file size and save it in smaller PST files. It does not compromise with its performance while breaking OST file to PST format. The software also offers to divide UNICODE OST file as well as ANSI OST files without losing any data.

split by size

Enables user to Split OST by Size

The utility enables user to reduce OST file by their file size into multiple small parts. It offers user to split OST file into different file sizes i.e. 2GB, 5GB and 10GB according to their requirement. It is the reliable solution to divide OST file and save it into multiple parts according to the defined file size.

maintains data integrity

Maintains Data Integrity

Outlook OST splitter software offers to choose and select large size OST file from the system and break it into negligible parts by maintaining the data integrity. It is capable to preserve the entire properties like To, Cc, Bcc, Sender and receiver details, HTML formatting, data Integrity, etc. will be intact even after splitting the OST file.

create folder

Saved Reduced File in New Folder

By using this tool, users can split the large sized OST file into minor parts without altering any information. After the splitting process, users can save their resultant splitted files into a new folder. It also enables user to create a new folder through software panel and save all divided files instantly.

batch conversion

Batch Split OST Files

The utility has “Add Folder” option which enables user to select multiple OST files or select a single folder containing several OST files. This helps user to batch split OST files into minor parts without affecting any data. It saves lots of efforts and time of users to reduce OST file size without depending on its file size.

supports outlook

Supports All Outlook Versions

OST splitter is designed by using advance algorithms which enables user to split oversized OST file of any versions of Microsoft Outlook. It supports all the versions of Outlook 2016, 2013, 2010, 2007, and all below versions. Users does not require any installation of Outlook to perform the conversion process.

Few Queries About Outlook OST Splitter

How to Split Oversized OST file of Outlook?

“I have a large OST file of around 25 GB in my system and looking to break OST file into smaller parts to access the data in different systems. But it is not possible for me to split oversized OST file into smaller ones. Please suggest any idea if anyone exists.”

It is a common issue where users need to divide OST file into smaller ones. In these type of cases, users need to choose trustworthy utility OST splitter which successfully breaks OST file into smaller parts according to their file size i.e. 2GB, 5GB, 10GB. It successfully compacts OST file without altering any single bit of data.

OST Large File Size Issues

“Recently, I was stucked in the situation where my OST file size is getting high which leads the problem in accessing OST files again and again. For accessing my data again, I have to deleted my older emails to free up the space to and accessing the large OST file. Please suggest a suitable solution."

Whenever, users need to reduce OST file size into smaller ones then users must go with the third party utility Outlook OST splitter which successfully divide large size OST file into small parts in few moments. This enables user to truncate Outlook OST files by preserving the entire email attributes.

Reduce the file size of OST backup

“My friend have OST file of large size as backup which he wants to split and access in shared the data in different systems i.e. in his laptop and his wife’s laptop. But he is not able to do this to divide OST file into two parts. Please suggest a useful solution to split Outlook OST file in two parts."

In various different cases, users need to truncate OST file to access their data in different way. This can be possible only by using third party tool i.e. Outlook OST splitter which breaks OST file into different files according to their file size. So, it makes easier task for users to split OST file in different file sizes.

Guide - Outlook OST Splitter

How to Split Outlook OST file?


Launch OST Splitter in your system.

start software


Now, browse and select the desired Oversized OST file/folder from the system which is required to break.

select ost file


Now, enable the checkbox defined at top of the tool according to their need. It offers user to select the desired file size of 2GB, 5GB and 10GB to split OST file as per their requirement.

choose file size


Now, browse and choose the desired destination location to save the targeted file at the desired location.

choose destination location


In the final step, just click on Convert button to complete the splitting process into smaller ones.

click on convert


Now, users will get their resultant file in couple of seconds without losing any data by using OST splitter. After the completion of processing, the tool automatically opens resultant folder in front of users.

Conversion completed

Program Name:
OST Splitter
File size:
3.42 MB
Program Type:
System Requirements:
Pentium II 400 MHz, 64 MB RAM, Minimum 30 MB Space
Operating System
Windows 10, 8.1, 8, 7, Vista, XP, etc.
Windows Server 2016, 2013, 2000

Trial Edition

In the trial edition, OST split software offers user to reduce their OST file by splitting 25 items from each folder of offline OST file/folder. It offers the complete package of Licensed edition features in a trial version too to evaluate the entire software deeply.

100% Safe & Secure

100% safe and secure

No, there is no requirement to install Microsoft Outlook in the system to perform the splitting process. OST splitter enables user to split OST files into multiple parts.

Yes, it can easily split Outlook archive OST file into smaller parts without altering any single bit of data. It offers user to reduce OST file size according to their available size.

There are no file size limitations for user to reduce OST file size. OST splitter offers batch performance to split multiple OST files into smaller ones at a time.

Yes, the utility Outlook OST split software has wide range of features which enables user to divide oversized OST file into smaller ones by preserving the folder hierarchy, email formatting and data integrity.

Yes, the tool can easily install on the latest and earlier versions of windows operating system. It supports Windows 10, 8, 8.1, 7, vista, XP, etc.

What Says Our Client

Customer's Satisfaction is Our First Priority, Here is What Our Customer Thinks About Us

Order OST Splitter

Order Full licensed version of OST splitter tool for for breaking Exchange OST file into smaller parts in a few seconds. Before ordering the full version, you must try the demo edition and then purchase the licensed edition.


We Accept All Major Credit Cards along with PayPal Account

accept all major credit cards and paypal accounts

For Home User



  • Suitable for Home or Personal Use
  • Valid for 2 Machines
  • Lifetime License, No Expiry
  • Valid on Single Geographical Locations
  • One Year FREE Product Updates

For Corporate



  • Suitable for Commercial Use
  • Valid for Multiple Machines
  • Lifetime License, No Expiry
  • Valid on Multiple Geographical Locations
  • One Year FREE Product Updates
Note: After purchasing you will receive license details through an email within 30 minutes. Mention a working and correct email address while ordering.

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Reviews of OST Splitter

Rated 4.2/5 based on 12 customer reviews

Dauenphen Taksin commented on Apr 15, 2017

It was always a critical situation to manage large size OST file on desktop which may leads to the corruption of Outlook. Then, I came to know about this Outlook OST split software to break OST files into smaller parts.


Bell Dwyer commented on Mar 28, 2017

Such an admirable tool OST Splitter!!! It successfully splitted the multiple OST files into desired file size as per their requirement. It was a wonderful experience to reduce the OST files into smaller parts in a simple and easy way.


Richards commented on Mar 17, 2017

OST splitter has easy to use interface which has impressed me a lot. It has intuitive interface which enable me to split large size OST file into smaller segments without any extra efforts. The performance was too much attractive which provides 100% accurate result even splitting oversized OST file.


Martins commented on Jan 11, 2017

Finally, I got my solution to split Outlook OST file into smaller ones in few moments. The utility is capable to reduce OST files into different sizes of 2GB, 5GB and 10 GB by preserving the data integrity and email formatting. Thanks to the support team too for helping me until the process is not completed.

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