SysTools OLM Viewer FREEWARE

Tool to Scan, Open & Preview MS Outlook Mac OLM files

  • Preview emails, contacts, calendars and tasks of OLM file
  • Quick scan OLM file to generate an instant preview
  • Option to save scanned OLM files for using it in future
  • Search for emails messages within results after scanning
  • No Size Limitation for File: Scan & view any size of OLM file
  • Compatible with Windows OS 10, 8.1 and all below versions

List of Key Features in SysTools OLM Viewer Tool

open and view olm file

Open & View OLM File

If you are having OLM file on your Windows machine then you cannot open it unless it is converted into PST for MS Outlook Windows or move OLM to Outlook Mac. But, OLM file viewer provides you an easier platform to open and view OLM files regardless of a compatible environ. It allows you to view all contacts, calendars, tasks, and email messages along with its attachments, etc.


scan and preview items

Scan & Preview Items

In order to show items, the software performs a quick scanning of OLM file. It loads all the folders consisting of emails like; Inbox, Sent Items, Deleted Items, Drafts, etc. The software shows associated properties of messages like; from email address, subject of the message, email received time, recurrences, alerts, contact names, etc. You can also recover and view the data of corrupt, orphan or inaccessible OLM files.

save scanned olm file

Save Scanned OLM File

Once the scanning of OLM file finishes, software prompts you to save the scanned OLM file. You can save it in your local machine. Later, if you want to open the same OLM file again, you just need to open the saved file and preview its data. This will help you to save scanning time for the same file of larger size; multiple times. If you try to open any scanned OLM file then software will automatically prompt you that file is already scanned.


retain complete meta data

Retain Complete Meta Data

The software will retain complete details associated with each item. There will be no loss of any email attachments, even the read / unread status remains same, recurrences from calendars remain as it is along with alerts, meeting, appointments, date, time, etc. Also, the contact details with multiple email addresses, contact numbers and scheduled tasks, comments everything, will be shown by the tool.


no installation required

No Installation required

In order to read or view OLM file you either need to use a Mac machine which should have MS Outlook for Mac installed. Or you need to convert OLM to PST for it to be viewed on any Windows machine. In both the cases, you need to have a complete set up but with OLM Viewer you are free to read OLM files independently. No external application installation is required.


simple and easy to use

Simple & Easy to Use

Being a freeware utility, the software has least complications involved for opening and viewing OLM files. Even a novice user can use the tool to read the complete data of an OLM file. The software performs an automatic function to scan and load the data thus; you don't need to be a technical expert for using it.


OLM Viewer Tool Screenshots

olm viewer software
Step 1: OLM Viewer Software
browse olm file
Step 2: Browse OLM File
software scan olm file
Step 3: Scan OLM File
view content of olm file
Step 4: View Content of OLM File

Watch Live Video of OLM Viewer

Download OLM Viewer Software
OLM viewer

Size: 2.4 MB Version: 2.0

Download OLM Viewer Software

Installation Uninstallation EULA

System Specifications

  • Hard Disk Space: Minimum 8 MB of free hard disk space
Frequently Asked Question
Is it possible to use the tool on my New Mac Machine?

No, software is a windows based tool and you cannot use it on mac machine.

What Clients Say

Apart from being a freeware solution what makes the tool appealing is its powerfulness. It is impossible to open an OLM file on Windows platform. But this software even made that possible with such sheer ease. Guess that's the signature style of SysTools Group.

— Abraham Chester, Canada

After working with OLM Viewer, I have decided upon looking forward to availing more services from SysTools Group. I wonder if you can offer such precision and facilities for free what level of services must you be giving away with your commercial applications!

— Henry Brandt, Germany
SysTools OLM Viewer Pro? Why to Upgrade
supports multiple files
Save In Multiple File Types

With the Pro version of OLM Viewer software you can open, view as well as further save the OLM file data into Outlook Data File (PST) or emails as single message files; EML and MSG.


split PST
Split Output Data File

Creating output as a data file of Outlook comes with size management option. A data file splitting option for the Personal Storage Table file is provided which can be executed on the basis of size in GB.


open and preview
Email Data Preview Options

Viewing email before saving it in other formats is possible with the preview tabs provided. A Normal Mail View tab offers the preview of email and the Attachments tab offers the preview of images and document type attachments separately.


multiple naming
Naming Pattern for Emails

While saving each email as a single file, i.e. each email from OLM to EML or MSG file type, a naming pattern can also be applied. You can name the output message files by the email subject, date, sender detail, or a combination of all.


Upgrade to PRO Edition

Upgrade to OLM Viewer Pro to Enable Save & Export Outlook Mac Files to PST/EML/MSG Option


Features FREE Version FULL Version
Add OLM File
Support MS Outlook (2016/2013/2010/2007/2003/2002/2000/97)
Preview OLM Emails with Attachment
Windows 10, 8 & All Other Previous Windows Version Supported
Split PST by Size
Recover MAC Outlook OLM File
Save & Export Outlook Mac files to PST/EML/MSG
Cost FREEWARE $39