OLM to Office 365 Migrator

Directly import OLM file to Office 365 account without losing data integrity

  • Import entire mailbox including messages, contacts, calendars, tasks, etc.
  • Date range filter to customize and precise the selected data
  • 8 preview modes to analyze data before OLM to Office 365 migration
*Free Download is only for evaluation and provides migration of limited data only

Why Choose SYSDaddy OLM to Office 365 Migration Tool?

Directly import OLM file to Office 365 environment using SYSDaddy software. The utility migrates OLM files to Outlook 365 from a specified date range. It exports OLM mailbox components such as Outbox, Inbox, Sent box, Folders, Draft, Tasks, Subfolders, and Notes. The software transfers numerous OLM files to O365 in a bulk mode without facing any issue. You can customize OLM objects to Office 365 in a selective manner. Use various preview modes for OLM files before initiating the migration. Ease up the conversion process for non-technical users, thus it saves plenty of time. It supports bulk OLM conversion without losing any information of the Outlook for Mac database. It is an independent tool, so does not require installation of Outlook Mac to migrate OLM file to Office 365. Additionally, users will not face any file size constraints while migration.

Key Features of OLM to Office 365 Migrator

Bulk Import OLM file to Office 365

Bulk Import OLM file to Office 365

SYSDaddy Outlook OLM to Office 365 tool provides a strong mechanism to migrate mass OLM files into O365. So, a user just has to perform a one-time process for the entire mailbox migration in a selective manner. Additionally, it supports the import of a single OLM file to Exchange Online. Users can import a single OLM file or many OLM files.

OLM File Import by Category

OLM File Import by Category

Users can simply migrate their Outlook For Mac 2019, 2016 and 2011 data to Office 365 using advanced OLM to Office 365 Migration software. The Mac OLM file format stores emails, calendars, contacts, notes, and journals, and others too. Users can transfer only the required data items from an OLM file using this option.

Maintains the Source data Properties

Maintains the Source data Properties

The tool is such an advanced tool that it maintains the folder structure, as well as all meta characteristics in Office 365. The data remain identical to those in the source file. This functionality protects the Mac OLM data and the original metadata is retained even after the migration process completes.

Date-Based Filtering Option

Date-Based Filtering Option

The OLM to Office 365 Migration tool has a date-based data export option. Users can perform it by applying a date-based filter on Mac OLM files. Then export the data from the selected OLM files within a specified date range to their Office 365 account.

Create Status Report

Create Comprehensive Status Report

After the import OLM file to Office 365 procedure is complete, the software will produce a status report summarising the whole migrating process. It enables users to see detailed information about their mail, such as the number of delivered messages, the number of failed messages, the destination location, time, and the status.

Transferring OLM Using/Without Impersonation

Transferring OLM Using / Without Impersonation

The majority of the time, the Exchange Online administrator is required to import large OLM files to Office 365. To accomplish this, the Mac OLM to Office 365 migrator tool has an Application Impersonation option, which enables the Office admin to authorize the tool to import Mac OLM mailboxes into the specified Office 365 mailboxes without needing credentials every single time.

OLM to Office 365 Import Tool Working Steps
  • Step 1
    Run OLM to Office 365 Migrator

    Browse and add OLM file into the panel.

  • Step 2
    Select Saving Option

    Pick Office 365 as saving format to proceed.

  • Step 3
    Import Successfully

    Enter O365 Credentials and click on Export button.

OLM to Office 365 Migrator
Import OLM file to Office 365
Choose File Format
Import OLM to Office 365
OLM to Office 365 Migration Tool Specifications
Download Free Version of the Software

Software Download

Size : 36.4 MB

Version : 9.0

Demo Limitations

The free version of Mac OLM file to Office 365 Migrator supports to upload 25 OLM items only.

System Specifications

Hard Disk Space
100 MB free hard disk space


Intel® Core™ 2 Duo CPU E4600 @ 2.40GHz


  • Microsoft .NET framework 4.5 or above must be installed.
  • If you are using Windows 11 / 10 / 8.1 / 8 / 7, then please launch the tool as "Run as Administrator".

Supported Editions

  • Microsoft Windows 11(64-bit) / 10(32-bit & 64-bit) / 8 / 7 & Windows Server 2008 / 2012 R2 / 2016

What Clients Say about OLM to Outlook 365 Migration Tool

I am very pleased with this solution to import OLM to Office 365 account. The truth is that I was able to conduct a test migration of Outlook 2016 for Mac to Office 365 using this trial version of the tool. The software's demo assured me of its effectiveness. Many thanks to the whole developing team!!

OLM to Office 365 Migrator Review

Veronica, Paris

OLM to Office 365 Migrator is one of the most effective tools for migrating Mac OLM file to Office 365. It is capable of quickly transferring data from an OLM file. I like the application's easy functionality the most since it made my job easy. I will recommend this tool to my friends to ease up their migration tasks.

Import OLM File to Office 365

Tinson, Turkey

OLM to Office 365 Migrator Review Review OLM to Outlook 365 Migrator
There is no file size restriction to import OLM to Office 365 using this application. It supports the export of mailboxes of any size from Outlook For Mac to O365.
No, there is no risk of data loss or erasure using this advanced solution. It is designed to retain data in its originality. Therefore it is an entirely secure and safe option.
Yes, the OLM to Office 365 migration tool generates a comprehensive status report, which you can simply export in CSV format on your own computer.
Yes, The software is operable on all versions of Windows including Win 11, 10, 8, 7, etc.

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