Explore the premium features of the software for OLM email migration, backup, or archival
Understand the situations when the software is beneficial for converting OLM to MSG for accessibility and compatibility.
One of the most critical situations when users essentially need SysInfo OLM to MSG File Converter is to migrate OLM files to Windows Outlook. OLM files are exclusive to macOS and cannot be opened directly in Outlook for Windows. The software allows migrating emails directly to Windows Outlook through MSG files. This ensures that users can continue working with their emails on a Windows system without losing data or email structure.
Many organizations and professionals need to archive or share individual emails for compliance, audits, or legal documentation. Users often prefer to save emails separately in MSG format, which can be easily viewed and worked on when required. Using the best OLM to MSG Converter Software, users can extract specific emails and save them in MSG format for documentation and record-keeping requirements.
Another important scenario is when users no longer have access to Outlook for Mac but still need to open or convert OLM files. Installing Outlook for Mac solely to access old mailboxes can be impractical or impossible. This software allows users to preview and convert OLM emails easily, without Outlook for Mac installation. This is especially helpful for users who have switched platforms but still need access to historical emails.
Learn how every feature works and why it matters, helping you evaluate the software before purchasing.
Export OLM to MSG Format
The SysInfo OLM to MSG Conversion Tool is the best utility that enables users to export Outlook for Mac emails into MSG format. It supports all types of data, like email messages, attachments, contacts, and more, preserving email structure, metadata, and attachments. You can save OLM emails individually as MSG and access, manage, and import them to Windows Outlook.
Bulk OLM Files Conversion
This software has a batch conversion feature, allowing users to convert multiple OLM files at a time. Users can add single or multiple OLM files using the Select Files or Select Folder option. The software is competent enough to process all selected files in one go without data corruption or performance issues. Moreover, the processing speed of the software remains the same.
Save OLM Files as Other Formats
Besides OLM to MSG Conversion, this tool is best suited to export Outlook for Mac OLM data into other widely supported formats. Users can convert OLM to MBOX, PST, EML, EMLX, MSG, PDF, CSV, DOC, HTML, VCF, and more. Additionally, it allows users to save emails in image formats. Therefore, users can use the software for multiple purpose and it ensures greater accessibility and long-term usability.
Migrate OLM to Other Platforms
If you want to migrate OLM files directly to another email platform, use this SysInfo Software. It is competent enough to import OLM to Gmail, Office 365, and Google Workspace. Also, you can import OLM to IMAP Server such as Yahoo Mail, AOL Mail, Hotmail, and many more. With a simple login procedure, you can transfer OLM data from local storage to different email clients.
Preview OLM Emails and Attachments
The software has a built-in preview panel that allows users to view email content, subject, sender, recipient, attachments, and folder structure before initiating the conversion. This ensures transparency, and users can select folders to convert only the required data accurately. Moreover, you can filter emails to view by From, Subject, and Date.
Converts OLM Files of All Sizes
SysInfo OLM to MSG Converter Tool has the ability to handle OLM files of any size. It can process from small mailboxes to large, oversized OLM files, without performance degradation. There are no file size limitations imposed during conversion. Moreover, it ensures smooth processing even for heavy datasets and is thus reliable for both individual users and organizations.
Eliminate Duplicate Emails
This is an in-built feature of the software that works to identify and remove duplicate emails during the OLM to MSG conversion process. Duplicates can be filtered based on specific criteria such as subject, sender, recipient, date, or message body. Simply choose the filter and eliminate all duplicate emails. This way, users can reduce storage usage, avoid redundancy, and ensure a clean and organized MSG output.
Advanced Date Selective Conversion
One of the most liked features of the software is the Date Filter for the selective conversion feature. Users can convert emails from a specific time period by defining a start date and an end date. This is useful when only certain emails are required for migration, backup, or compliance purposes. It allows focused data conversion without processing the entire mailbox.
Manage Saving Attachments
The OLM to MSG Conversion Tool enables users to choose to manage attachments from OLM files. Users can choose to convert emails with attachments or exclude attachments if they are not required. Hence, users can control output files by deciding what data is relevant. This is especially helpful when attachments are large or unnecessary.
Supports All Outlook for Mac OLM Files
This SysInfo software supports OLM files created by all versions of Outlook for Mac. Irrespective of the Outlook edition or macOS version used to generate the OLM file, the software ensures seamless compatibility and accurate conversion. So, you can convert and migrate older OLM files without having access to the original account.
Maintain Folder Hierarchy
While you are migrating OLM emails to MSG using the OLM to MSG Exporter, it preserves the original folder structure of the OLM mailbox. It accurately transfers all folders like Inbox, Sent Items, Drafts, custom folders, and subfolders too. Additionally, the data remains intact in the MSG output. This gives a familiar mailbox layout and helps users to easily locate emails after conversion.
Custom Folder Naming Option
With the Custom Folder Name feature, users can organize converted OLM emails in MSG format by saving them under user-defined folder names. This option helps assign meaningful folder names and store all emails in a structured manner. Users can easily categorize data based on projects, dates, or email types, ensuring better organization and faster email retrieval.
Windows OS Compatible Software
SysInfo OLM to MSG File Converter Tool is a highly compatible software. It supports all versions of Windows Operating Systems. Whether you are using Windows 11, 10, 8.1, 8, or 7 (32-bit and 64-bit) or even older versions, the software performs well on all. Users can perform OLM to MSG conversion smoothly on Windows systems without requiring additional configurations or dependencies.
Free OLM to MSG Converter Software
You can run the demo version of the SysInfo OLM to MSG Conversion Tool to test its features and see how it works before purchasing. The trial version enables limited email conversion, helping users understand the tool’s performance, accuracy, and interface. To convert a complete OLM mailbox data to MSG format without restrictions, upgrade to the full version.
Follow the technical requirements and specifications of the SysInfo OLM to MSG File Converter Tool for smooth operation.
| Version: | 26.02 |
| License: | Multiple User |
| Size: | 249 MB |
| Release Date: | February 2026 |
| Edition: | Single, Admin, Technician & Enterprise |
| Free Download Buy Now |
| Processor: | Intel® Core™2 Duo E4600 Processor 2.40GHz |
| Mac Process: | Mac System with Apple Silicon Processor M1, M2, M3, and M4 series |
| RAM: | 8 GB (16 GB Recommended) |
| Disk Space: | Minimum Disk Space - 512 GB |
| Supported Windows: | 11, 10, 8.1, 8, 7, 2008, 2012 (32 & 64 Bit), and other Windows versions. |
| The free version of the OLM Converter Tool allows users to explore all features and functionalities of the software. However, it will convert 50 emails per folder. To convert more emails, purchase the premium version of this software. |
If Yes! Please disable your antivirus temporarily or allow access from its setting so that the software can carry out its working properly.
It is advised to avoid the source file from any shared drives or networks (NAS, SAN, LAN, and WAN) as it should be on the same working machine.
To let the software work smoothly, you need to turn off Windows Defender by following the steps:
Run Mac OS.
Follow these simple steps to export OLM files to MSG format in no time.
SysInfo's Award-Winning Software Recognized by Experts- Highly Rated in the Best Category
SysInfo OLM to MSG Converter has been acknowledged by industry experts for its accuracy, secure processing, and consistent performance in converting OLM files. The software is frequently rated among trusted email conversion tools for maintaining data integrity and ease of use. View more
SysInfo Software for OLM to MSG Conversion is positively rated among users for its smooth bulk conversion, accurate preview, and reliable handling of large OLM files. It is a preferred choice among IT professionals and individual users alike. View more
Compare the features available in the free and paid versions of the tool for efficiency.
| Product Features | Free Version | Full Version |
|---|---|---|
| Convert OLM to MSG format | Converts Only 50 Emails Per Folder | All |
| Save OLM Emails to PST, PDF, EML, EMLX, CSV, and more | Converts Only 50 Emails Per Folder | All |
| Supports batch conversion to convert multiple OLM files at once | ||
| Converts OLM files of all sizes without restrictions | ||
| Preview feature to view emails and attachments before conversion | ||
| In-built feature to remove duplicate emails | ||
| Migrate/convert emails selectively with Date Filter | ||
| Feature to save emails with or without attachments | ||
| Migrate OLM files directly to Other email platforms | Only 50 emails per folder | |
| Custom Folder Name Feature | ||
| Supports all Mac Outlook Versions | ||
| Select Destination Path for MSGs | ||
| 24*7 Tech Support & 100% Secure | ||
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Download | Buy Now |
SysInfo OLM to MSG Converter is a performance-oriented utility designed to convert Mac Outlook OLM files into MSG format with complete accuracy. The software allows users to process multiple OLM files in one go while preserving email structure, metadata, and folder hierarchy. With features like selective conversion, preview support, duplicate handling, and attachment control, it ensures a smooth and organized OLM to MSG conversion experience without requiring Outlook for Mac installation.
Our 24×7 Chat Support is available to assist you with setup, queries, and technical guidance at any time.
Ans: Follow the quick steps mentioned below to convert OLM to MSG:
Ans: Yes, SysInfo OLM to MSG Exporter supports batch conversion of OLM files. You can add multiple OLM files at once and convert them to MSG format in a single process, saving both time and effort.
Ans: No, there is no file size limitation. This exclusive software can easily handle large OLM files and complete the conversion without data loss or performance issues.
Ans: The OLM to MSG File Converter includes a duplicate email removal feature. During conversion, it automatically detects and removes duplicate OLM emails based on parameters like To, From, Subject, CC, and Body message.
Ans: Yes, the SysInfo software allows selective conversion. It allows users to choose specific folders or emails and convert only the required OLM data to MSG format.
Ans: Absolutely, this is top-rated software for its security and privacy of data. It is a read-only tool that does not modify or damage your original OLM files, ensuring full data integrity and privacy. Moreover, SysInfo Tools has no access to your personal emails and crucial data.
Ans: The Date Filter lets you convert emails within a specific date range. You can select the feature and set a start and end date. The tool will export only those OLM emails that fall within the chosen period.
Ans: Yes, but you need to purchase a license for .dmg software. SysInfo OLM to MSG Converter Mac is designed to support all Mac OS versions, older and newer. In addition, you do not need to install Outlook for Mac for conversion.
Read what our clients say about their experience with our OLM to MSG Converter Software.