OST to OLM Converter – Import OST emails to Outlook for Mac

Andrea Elson | July 21st, 2021 | Email Migration

Summary: Are you looking for a solution to save OST emails to OLM format? If so, this is a good place to get a good solution to this problem. Here is the query that will help you in understanding the scenario. This blog describes the easiest way to convert OST to OLM along with attachments. Read the entire blog for more details. So let’s get started.

User Query: Hello! I’m currently working in an organization that uses Microsoft Outlook email clients as email services and I have OST files of 79 GB of data. However, for some reason, I want to convert OST to OLM. After searching a lot, I am not able to find a reliable solution. Please help me out of this situation and suggest me the best solution to accomplish this task. Thanks in advance.

MS Outlook is used by many users these days. It provides email services for both Windows and Mac users. If the user wants to open OST files in Mac Outlook, then he has to convert OST file to OLM format. If you also want to know how to export OST data to OLM with attachments. Then this blog is for you. Here, you will get the detailed step-by-step process.

Professional Solution to Convert OST to OLM

Migrate your emails without missing any detail using our Advik OST Converter. With this tool, you can easily import OST files to Mac Outlook with maintained properties. Users can easily perform the email conversion with 100 % accuracy. This tool also supports the batch conversion of OST mailbox items all at once. The tool incorporates a simple user interface that can make the entire process effortless and more convenient. Both technical and non-technical users can easily operate this software without losing any information. Download the free version of the tool to understand the tool in a better way.

Steps to Convert OST to OLM are as follows

Step 1. Download and install Advik OST to OLM File Conversion tool on your Windows PC.

ost to olm

Step 2. Load OST files and folders into the panel by clicking on the Select File option.

offline storage to OLM

Step 3. Here, you will get a preview of folders and you can select the folder according to your need.

ost to outlook for mac

Step 4. From Multiple saving options, select “Outlook for Mac (OLM)

ost to olm

Step 5. Finally, hit the Convert button to import OST data to Mac OLM format.

import ost into Outlook for Mac

Done! Now, wait for few moments and you will get all your OST files converted into OLM file format with all the attachments.

Key Features of OST to OLM Converter tool

No Outlook Installation required: It is a standalone utility that does not require Outlook installation to provide you with the desired results. The tool is not depending on any email application and can work independently without any issue.

Convert Multiple OST files at once: If you have a large number of files and you want to convert all of them then the Batch Conversion feature is an ideal way to do it quickly. Users can easily convert OST to OLM within a few couple of moments. Users can select multiple files or folders at the same time.

Export OST to OLM with Attachments: The best tool to import OST to OLM format can successfully preserve and transfer all your attachments with exact structure. That means it can easily migrate all your emails with attachments without any data damage.

Support Different File formats: This is one of the most flexible tools that help users convert OST files to 30+ file formats directly and securely. All you have to do is download the tool, run it on the PC, and select the desired file format. This tool converts OST to PST, MSG, HTML, EMLX, vCard, ICS, Exchange Server, PDF, EML, IBM Verse, Gmail, Amazon WorkMail, Office 365, Zimbra, and more.

Easy-to-use Tool: There is no need to be a professional expert and it does not need any technical configuration to set up the tool. You can convert OST files to OLM format via this utility in an effortless manner, even if you are a first-time user. It has a simple user-friendly panel.

Free Demo available: You can analyze the software by downloading the program’s free version to export OST emails to OLM format. It allows users to save only 25 emails from OST to OLM for testing purposes. For unlimited migrations, you can purchase the full version of the tool.


OST and OLM file formats both support MS Outlook but on different operating systems. So if you want to open your OST files in Mac Outlook, you have to convert your files into .olm format. There are manual solutions available but they have a few shortcomings. You might lose your data if you opt for the manual trick. Many experts don’t want this and hence are using Advik OST to OLM Conversion software. It is an ideal choice to convert .ost to .olm with much more effectiveness and accuracy.