How to Convert OST to PST: Free Methods for Efficient File Conversion

Darcy Chug
3 min readJul 7, 2023

In this comprehensive guide, we will walk you through the process of converting OST to PST files using free methods. Whether you’re facing OST file corruption or simply need to access your Outlook data in a different email client, this article will provide you with step-by-step instructions to successfully convert your OST files to PST format. By following our tried-and-tested methods, you can easily and efficiently convert your files without the need for expensive software.

Method 1: Export OST to PST using Microsoft Outlook

One of the simplest ways to convert OST to PST files is by utilizing the built-in export feature in Microsoft Outlook. Follow these steps to perform the conversion:

  1. Open Microsoft Outlook on your computer.
  2. Navigate to the “File” tab and click on “Open & Export.”
  3. Select “Import/Export” from the options provided.
  4. Choose “Export to a file” and click “Next.”
  5. Select “Outlook Data File (.pst)” as the file type and click “Next.”
  6. Choose the OST file you want to convert and select the desired options.
  7. Specify the location where you want to save the converted PST file.
  8. Click “Finish” to start the conversion process.

By following these steps, you can successfully export your OST file to PST format using Microsoft Outlook.

Method 2: Convert OST to PST using a Professional Software

If you’re unable to access Microsoft Outlook or prefer an alternative method, you can rely on third-party tools like the DRS OST to PST Converter. This software offers a user-friendly interface and advanced features to ensure a smooth conversion process. Here’s how you can use the DRS Softech software:

  1. Download and install the DRS OST to PST Converter tool on your computer.
  2. Launch the application and select the OST file you wish to convert.
  3. Choose the desired conversion options and specify the location to save the converted PST file.
  4. Click on the “Convert” button to initiate the conversion process.

The software will efficiently convert your OST file to PST format, preserving your email messages, contacts, calendar entries, and other data.

Method 3: Utilize Online OST to PST Conversion Services

Another convenient way to convert your OST files to PST format is by using online conversion services. These services offer a web-based platform to upload your OST files and convert them to PST format without the need for any software installation. Here’s how you can utilize an online OST to PST conversion service:

  1. Open your preferred web browser and visit a reputable online OST to PST conversion service.
  2. Follow the instructions on the website to upload your OST file.
  3. Select the conversion options and provide your email address to receive the converted PST file.
  4. Click on the “Convert” or “Start Conversion” button to initiate the process.
  5. Once the conversion is complete, you will receive a download link for the converted PST file via email.

Using online OST to PST conversion services is a convenient and hassle-free way to convert your files without installing any additional software.

Conclusion

In conclusion, converting OST to PST files doesn’t have to be a complex or expensive process. By following the methods outlined in this article, you can easily convert your OST files to PST format using free methods. Whether you choose to utilize the export feature in Microsoft Outlook, rely on third-party tools like DRS OST to PST Converter, or take advantage of online conversion services, the process can be accomplished efficiently and effectively.

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Darcy Chug

Forensic and data recovery and management expert. A TechGenix contributor as well.