Computers and Technology

How to Move Exchange OST to PST in Mac with OST Converter for Mac?

Know How to Add OST File in PST on Mac by Using OST to PST Converter Software

If you’re using Microsoft Outlook on a Mac and need to convert an OST file to a PST file, you may find that the process is not as straightforward as it is on a Windows computer. However, there are still several methods you can use to convert your OST file to a PST file on a Mac.

In this article, we’ll discuss some of the most effective ways to convert OST to PST on a Mac. We’ll also provide step-by-step instructions to help you through the process, regardless of your technical expertise.


OST and PST are two types of files used by Microsoft Outlook, a popular email client and personal information manager.

OST stands for Offline Storage Table, and it is an offline copy of your mailbox stored on your computer. Outlook uses OST files to allow you to work with your emails, contacts, calendars, and other items even when you are not connected to the internet. OST files are usually used in conjunction with Microsoft Exchange Server, which is a server-side software used for email, calendaring, and other collaboration tools.

On the other hand, PST stands for Personal Storage Table, and it is a file used to store a copy of your mailbox data on your computer’s hard drive. PST files are created and used when you are using a POP3 or IMAP email account, or when you want to backup or export your mailbox data. PST files can also be used to archive old emails and other items.

The main difference between OST and PST files is that OST files are used for offline access to your mailbox when you are using Microsoft Exchange Server, while PST files are used for storing a local copy of your mailbox data for other types of email accounts or for backup purposes.

It’s worth noting that OST and PST files can become corrupt or damaged, which can cause data loss or other issues. It’s important to regularly backup your mailbox data and monitor for any errors or issues with your Outlook files.

How to Move Exchange OST to PST in Mac Manually?

Unfortunately, it is not possible to directly save an OST file to PST format on a Mac manually. This is because OST files are designed to be used with a specific email account and can only be accessed when connected to the server.

However, there is a workaround that involves exporting your OST file to a different format, such as OLM, and then converting the OLM file to PST format using a third-party tool. Here are the general steps to save an OST file to PST format on a Mac manually:

#1. Export the OST file to OLM format:

  1. Open Microsoft Outlook on your Mac and click on “File” from the menu bar.
  2. Choose “Export” and select “Outlook for Mac Data File (.olm)” from the options.
  3. Select the items you want to export and choose a location to save the OLM file.

#2. Convert the OLM file to PST format:

  1. Download and install an OLM to PST conversion tool on your Mac.
  2. Open the software and click on “Add” to select the OLM file you exported in step 1.
  3. Choose “PST” as the output format and select a location to save the converted PST file.
  4. Click on “Convert” to start the conversion process.

#3. Import the PST file to Outlook:

  1. Open Microsoft Outlook on your Mac and click on “File” from the menu bar.
  2. Choose “Import” and select “Outlook Data File (.pst)” from the options.
  3. Select the PST file you converted in step 2 and choose the items you want to import.
  4. Click on “Import” to start the process.

That’s it! These steps should allow you to save your OST file to PST format on a Mac manually. However, it’s worth noting that manual conversion can be time-consuming and may not be the best option for everyone. If you’re not comfortable with these steps or want a quicker solution, you can use a professional CubexSoft OST to PST Converter tool that supports Mac to automate the conversion process.

Automated Solution to Convert Multiple OST File to PST on Mac

CubexSoft OST Converter for Mac is a third-party software tool that allows users to convert OST files to PST format on Mac. Here is an overview of its features and functionalities:

  • Simple and user-friendly interface: The software has a simple and easy-to-use interface, making it accessible for all users, including those who are not technically proficient.
  • Batch conversion: The software allows users to convert multiple OST files to PST format in a single go, saving time and effort.
  • Support for multiple output formats: In addition to PST, the software supports other output formats such as EML, MSG, HTML, PDF, MBOX, etc.
  • Option to split large PST files: Users can choose to split large PST files into smaller ones based on size or date range, making it easier to manage and transfer the data.
  • Preview feature: The software provides a preview of the OST file data before conversion, allowing users to select the items they want to convert and exclude those they don’t.
  • Support for encrypted OST files: The software can also convert password-protected and encrypted OST files to PST format.
  • Maintains data integrity: The software ensures that the original data formatting, structure, and properties of the OST file are preserved during the conversion process.
  • Free trial version: A free trial version of the software is available, allowing users to evaluate the tool’s features and performance before making a purchase.

Overall, Mac OST to PST Converter is a reliable and efficient tool for converting Offline files to PST format on Mac. However, like any third-party software, it’s important to research and choose a trustworthy and reputable tool to ensure the safety and security of your data.

The Final Words!

In conclusion, converting OST files to PST format on a Mac can be challenging, but it is possible with the right tools and techniques. There are several manual methods available, but they can be time-consuming and complex. Alternatively, third-party software such as CubexSoft Mac OST to PST Converter can simplify the process and ensure data integrity. When choosing a tool or method, it’s essential to research and evaluate your options carefully to find a reliable and secure solution. Additionally, backing up your data before performing any conversion or migration is crucial to protect against data loss or corruption.

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