OLM to Office 365 migrator





SysTools OLM to Office 365 Migrator

Import Mac Outlook 2011 & 2016 OLM File into Exchange Online

(Average Rating 4.7 Based on 37 Reviews)

The migration method is not performed directly. It involves two conversion/migration tools.

  • Bulk migrate Mac OLM file to Office 365 account easily
  • Export selective OLM data such as emails, calendar, contacts, tasks, etc.
  • Provides Option of Application Impersonation to Import OLM files into Office 365
  • Maintain all meta properties & hierarchy even after migration
  • Import Mac OLM file into Exchange Online without any size limitation
  • Option to generate complete conversion report after the migration
  • Supports to import both Outlook 2011 & 2016 versions of Mac OLM file

Free Live Demo - SysTools OLM to Office 365 Migration Tool Fully Secured Download Version

Premium Features of Mac OLM to Office 365 Migration Tool

Premium Features of OLM to Office 365 Exporter

Import OLM Mail to O365

Import Bulk OLM Emails to Office 365

The tool offers an option to import bulk OLM files into Office 365. It also provides option to import single OLM file to Exchange Online. Users can either add single OLM file or add more than one OLM files for importing.

Selective OLM Mail Migration

Export OLM File by Category

With the help of OLM File to Office 365 Migrator application, users can easily transfer the data of Outlook For Mac 2016, 2011 to Office 365 according to categories. Mac OLM file contains emails, calendar, contacts, notes, journals, etc. By using this option, users can migrate only the required data items of OLM file.

Maintains Folder Structure

Maintains Properties of Source File

The utility is designed in such a manner that it is capable to keep the folder structure and all meta properties in Office 365 same as the source file. By using this feature, The Mac OLM data is safe and it also retains the original meta data intact.

Pause & Resume Downloading

Option to Apply Date Based Filter

The OLM Email to Office 365 Migration tool provides an option to transfer the data according to date. For this, users can apply the date based filter on Mac Outlook OLM files and export the selective OLM files data within the specific date range into the Office 365 account.

Delete after Migrate Option

Generate Complete Status Report

After completion of OLM file to Office 365 conversion process, the utility will generate the status report of the complete migration process. It helps users to know all the details such as mail count, fail count, destination, time, and status. However, this report is saved on the local machine in CSV file format.

Exclude Sent & Trash Items

Move OLM With/Without Impersonation

Most of the time it is requirement of Exchange Online administrator to import bulk OLM files to Office 365. For the same, Mac OLM to Office 365 migration tool provides Application Impersonation option though which Office admin provides authority to tool to automatically import Mac OLM mailboxes into the respected Office 365 Mailboxes without asking for credentials each time.

OLM to Office 365 Migration Tool – Specifications

Download OLM to O365 Exporter to Migrate OLM Data

Software Download

Size : 35.2 MB

Version : 8.0

MD5 : b58bf8b97373a1ae67bb6c7088bfdc4f

Size : 15.3 MB

Version : 1.1

MD5 : 28b8e683bc0d5f2cb28c6919284adc9d

Trial Limitations


Demo version of Outlook OLM TO PST converter can export & Save 25 OLM items to PST or MSG file.

Trial version backup only first 100 emails and first 25 other items from Office 365 mailbox to PST and EML (only email messages) format

System Specifications

Hard Disk Space
100 MB of free hard disk space required

Minimum 2 GB RAM is required

Intel Pentium 1 GHz processor(x86,x64) or equivalent

Product Guides

Step 1: Convert OLM to PST

Software Guide


Step 2: Import PST files into Office 365

Software Guide



  • If you are using Window 10/8.1/8/7 or Vista, then please launch the tool as "Run as Administrator".
  • Microsoft .NET framework 4.6.1
  • Internet connectivity is required to perform OLM to Office 365 migration
  • Make sure to disable proxy server while connecting to Office 365
  • Ensure that you Enable IMAP Access before Migration
  • MS Outlook Installation is Required.

Supported Editions

Windows OS: Windows 2000, 2003, 2008, XP, Vista, or Windows 7/ 8/ 8.1/ 10, 2008/ 2012 (32-bit & 64-bit)



Electronic Delivery


Software Customization

If you need to customize OLM to Office 365 Migrator or need additional features then, Request Quote

License Information Personal License Business License Enterprise License
Import Unlimited OLM Files
Unlimited 24×7 Technical Support
Free Product Updates
30 Day Money Back Guarantee

Frequently Asked Questions

Listed Commonly Asked Questions and Answers

“I need to migrate only the calendar from Mac OLM file to Office 365. Do you any relevant solution that can export only the OLM calendar?”

Yes, the SysTools OLM Email to Office 365 converter tool allows converting all the OLM data items such as emails, calendar, tasks, etc. to Office 365. It also provides functionality to export selected data to Exchange Online.

“I have some OLM files that are too long. Even, some files are more than 3 GB. So, I want to know what will be the maximum size limit for using this tool.”

There is no maximum file size limit to import OLM into Exchange Online using this tool. It can export any size of Outlook For Mac mailbox to Office 365.

Yes, the tool creates the complete status report and you can easily save it on the local machine in CSV format.

No, this tool does not impose any risk of data loss or deletion. This is completely safe and secure solution.

Yes, this tool generates a conversion report after conversion is done. The report contains all information regarding import process like File Name, No of mails, contacts, calendars, journals imported, Success Count, Fail Count etc.

Yes, you can utilize the OLM to Office 365 Converter tool to export Mac Outlook OLM file to Office 365 in an efficient manner.

What Customers Are Saying

SysTools OLM to Office 365 Migrator Tool Verified Purchase Reviews

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