How Does OLM Splitter Software Work Aryson OLM Splitter Tool is one of the finest software to split large and oversized OLM files into smaller portions on Windows Operating Systems. You can break the OLM files using this software without hampering the data in them. Moreover, it can split the OLM files in bulk to save a lot of time for the users. Furthermore, you can also protect and lock your new OLM file by applying a new password. It also has several additional features that make the splitting process productive and smooth. Follow the below mentioned steps precisely to split the OLM files as per their size:
  • Download and Run the Aryson OLM Splitter Tool on your PC.
  • Click on the Add File button to add the OLM file to split.
  • Choose the files and folders to break and mark on Split OLM by Size.
  • Select the additional features of the tool as per your requirement.
  • Then, click on the Choose button to pick the output location of the OLM file.
  • Finally, press the Split button to start the splitting process.
Benefits of Using Aryson Mac Outlook OLM file Splitter Tool
  • Allow users to break the large OLM files into multiple smaller parts.
  • Split large-sized Mac Outlook data file(.olm) based on Size, Date, Sender, and Folder.
  • You can use single and multiple OLM files at a time to break them into smaller parts.
  • It is embedded with a feature to Ignore Duplicate Mail to prevent multiple splitting of the same files.
  • Allows you to protect and lock the OLM files through a user-defined password.
  • The tool provides an option to choose the output location to save the resulting OLM files.
  • Offer a feature to Create a Single File or Separate File.
  • It maintains the OLM files data integrity and prevents any data loss.
  • Able to split the OLM files containing email messages, attachments files, contacts, tasks, calendars, journals, etc.
  • This software supports all the different versions of Mac Outlook OLM files.
  • The Demo version allows the users to split 50 items per folder for free.
  • The software is compatible with all versions of Windows OS, including the latest Windows 11.

What Does OLM File Splitter do?

The Problem
I work as a Software Developer in an IT company, and one of my colleagues tells me to manage their Mac Outlook inbox folders because they are full of storage. So, I imported all the different folder data into my local drive by making separate OLM files for each one, but the issues remained the same in the big size. Hence, I tried the manual approach to split the large OLM files into smaller files so that I can easily manage and re-access them in Mac Outlook, but I do not have enough knowledge related to Outlook, so the splitting process is not easier for me. Is there any simple approach to splitting the OLM files without losing their data?

The Solution
Aryson OLM Splitter Tool is a noteworthy utility that can split Outlook for Mac OLM files into smaller chunks without any data loss. There are different options in the tool based on which you can perform the splitting process, like Size, Date, Sender, and Folder. It helps to break the large OLM files and makes them manageable. You can also split multiple Outlook for Mac OLM files using this software in a single go.

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When to Use Aryson OLM Splitter Tool?

Use When Need to Split OLM File by Folders Mac OLM files contain numerous folders if they are significant. It becomes challenging to manage these folders regularly. The Aryson OLM File Splitter Utility can resolve this issue and split the OLM files based on folders. It helps to make a new OLM file with the required folders.
Use When Need to Break Oversized OLM Files As the oversized OLM files create issues while using Mac Outlook. Thus, users find an alternative to it by breaking the large files into smaller parts. It can quickly be done using the Mac OLM Splitter Software. It can break OLM files without losing or altering any data in the original file.
Use When Need to Split OLM File based on Size Once the OLM files reach the size of 2GB on Mac Outlook, the users are not able to export them. It also creates problems in the efficient working of Outlook for Mac. Hence, users must split the OLM files according to their size to ensure smooth working. OLM Splitter Tool performs this task very fluently in no time.
Split and Lock Mac Outlook Files Splitting the Outlook OLM files can be easily performed using this tool with some extra advanced features. It can help the users to lock and protect the output OLM files by applying a new password. It is a security utility that can prevent unwanted access to split Outlook OLM files for Mac users.

Key Features of Aryson OLM Splitter Tool

Split Large-Sized OLM Files
Split Large-Sized OLM Files

Aryson OLM Splitter Tool fulfills the sole purpose of splitting and breaking the oversized Mac Outlook OLM files into smaller manageable files. You can prevent the lagging issues of Mac Outlook due to the large files using this tool. It does not hamper the data of the OLM file and maintains data integrity.

Divide OLM Files as per the Sender
Divide OLM Files as per the Sender

It is another feature and parameter according to which users can split the OLM files. The tool assists the users in splitting OLM based on the sender of the emails. Aryson OLM File Splitter Tool filters the sender details like the name and email address to split the OLM files according to the sender.

Splits Bulk OLM files
Splits Bulk OLM files

The tool is capable of performing the splitting of multiple OLM files at once. It can save the user's time as they can choose different OLM files separately. It has a handy feature for users and organizations having OLM files in bulk. You can select multiple OLM files using the Add Folder option.

Split OLM File by Size
Split OLM File by Size

You can divide the OLM file using the OLM Splitter Tool as per the file size. It allows the users to split according to the size in MB and GB. If your OLM is oversized, you can split it into two as per the desired size you input in the tool. It ensures data security while breaking the OLM file as per the size.

Ignore the Duplicate Emails Option
Ignore the Duplicate Emails Option

A unique feature of the utility is the Ignore Duplicate Mails option. It is a productive feature that can skip the emails from the splitting process that occur more than once. It helps to prevent storage space issues by ignoring the emails saved in the OLM files multiple times. The user can reduce the excessive search for a particular email using this feature.

Protect and Lock Split OLM Files
Protect and Lock Split OLM Files

OLM File Splitter Software is an advanced tool that ensures the security of the OLM files is not compromised. Using this tool, you can protect and lock your Outlook for Mac OLM files by applying a new password. You can choose the password per your wish and save your output split files from any data breach.

Break Outlook Mac Files by Date
Break Outlook Mac Files by Date

You can break the Outlook for Mac OLM files according to the date range of the email files. The OLM Splitter Tool gives you the option to enter a start and end date so that it can break OLM file contents between the selected dates. It is a beneficial feature for performing selective splitting of the OLM files.

Destination Path Feature
Destination Path Feature

The user can utilize the Path to Save option of the tool to choose the output directory on the system to save the resulting OLM files. The feature allows the users to find the result files easily without any issues. Moreover, if you do not choose any path, the tool makes it easy for you and saves the output files in the default desktop location.

Creates Separate File
Creates Separate File

Mac OLM Splitter Utility is designed to give an outstanding experience to its users. Hence, it is embedded with features that make the splitting process smooth. The Create Separate File option is another feature that enables the users to create different folders for the contents of the OLM file to make the accessibility of these files easy.

Split OLM File by Folder
Split OLM File by Folder

The software provides the splitting option of the OLM files based on different Criteria, and splitting the OLM file by folder is another option through which you can divide the Outlook for Mac OLM files. If you pick this option, the OLM Splitter Tool will split the OLM file according to all the content folders of the file.

Free Trial Version
Free Trial Version

The OLM File Splitter Utility is also offered in a free demo version for the users. It comprises all the features of the full version. Perhaps the trial version's only limitation is that it can split only 50 emails from the OLM files. The users can get familiar with the software's working using the demo version.

Entirely Compatible
Entirely Compatible

You can add any version of the Outlook Mac OLM files in the OLM Splitter Tool, as it completely supports all the versions. Additionally, it is a versatile utility compatible with all the major versions of Windows, including Windows 11. It does not pose any issues with the Windows OS while the splitting process.

Technical Overview


As data accumulates, the Outlook for Mac OLM files can get tremendous with time. As they exceed the 2GB size, the files start to have problems. You cannot export these huge files, and in addition to that, they affect the performance of Outlook for Mac. To prevent all these issues and for the proper functioning of Outlook for Mac, you must split these files into smaller parts.

Aryson OLM Splitter Tool is the best solution that can help you to break the large Outlook for Mac OLM files. You can prevent the export issue of the OLM files by splitting them based on their size or other parameters as per your desire.

Software Prerequisites & Recommendations

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Trial Limitations

The Free version of Aryson OLM Splitter Tool allows users to export only 50 items per folder from each OLM file. So, if you are looking for a solution to extract all the mailbox data from the OLM file during splitting, you need to download and try the OLM Splitter Software Full Version.

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Size: 34.5MBVersion: 21.07

Required System Specification

Hard Disk Space: 500 MB of free hard disk space required

RAM: 4 GB of RAM (4 GB is recommended)

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

Supported Platforms

Windows OS:- 11, 10, 8.1, 8, 7, Vista, XP, 2000, 98, NT, and 95.

Outlook for Mac (OLM):- Outlook for Mac 2016 16.53.1 and all previous versions.

Outlook for Windows (PST):- Office 365, 2021, 2019, 2016, 2013, 2010, 2007, 2003, 2002, 2000, 98 and 97

Software Prerequisites
  • If you are operating the Windows OS 11, 7, 8, & 10 (either 32 bit or 64 bit) then must launch the tool as an Administrator.
  • Turn off the Windows Firewall for proper installation.
  • Disable the Antivirus programs.
FAQ
Aryson OLM File Splitter Comparison: Demo Version vs Full Version

Get an Overview of OLM Splitter Features - Demo and Full Version

Product Features Free Version Full Version
Allow to Add Single/Multiple OLM File(s)
Split OLM File by Date, Size, Email ID, & Folder 50 Items Per Folder All
Date Filter to Split Selected Emails
Add Password in the Resultant OLM File(s)
Ignore Duplicate Emails
24*7 Tech Support & 100% Secure
Price Free $49
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Frequently Asked Questions

To split your Mac OLM file, follow the steps below.

  • Download and Launch the Aryson OLM Splitter Tool on your PC.
  • Click the Add Files option to select the OLM file to split and hit Next.
  • Tick the folders to split and choose the splitting parameter as per your need.
  • After that, click on the Next icon.
  • Pick the additional features of the tool according to your requirement.
  • Then, select the location on your system to save the output OLM file.
  • Click the Split button to start the splitting process.

No, this software does not support corrupt or damaged OLM files. If you want to split corrupt OLM files, you must repair them using the Aryson OLM to PST Converter and then add them to the software.

The OLM Splitter Tool does not restrict the size of the OLM files you want to add. You can split the Mac OLM files of any significant size in this software.

It completely depends on the size of the OLM file that you are splitting. However, it does not take more than a few seconds to complete the splitting process.

No, the software is entirely independent and does not require additional application programs or MS Outlook to split OLM files.

Yes, using this software, you can divide the Mac OLM files based on folders. In addition to the folders, the tool can split the OLM files based on date, sender, and size.

Yes, the Aryson OLM Splitter Tool is designed with an advanced algorithm to split even the attached files and data of the OLM email files. It includes the attachments in the splitting procedure.