Best Approaches to Convert OST File to CSV

This article will provide you an overview of several techniques to convert OST to CSV. Furthermore, it highlights the importance of using an OST to PST converter that can simplify the conversion process and facilitate the transition to CSV format. There are various reasons why users may need to export OST to CSV, and this article will explore some of the most common scenarios in which this is necessary.


OST (Offline Storage Table) files are commonly used by Microsoft Outlook to store user’s data, including emails, contacts, calendars, and other mailbox items. However, there may be situations where you need to convert an OST file to a different format, such as CSV (Comma Separated Values).

On the other hand, CSV is a widely used file format that allows data to be easily imported and exported between different programs and systems. Converting an OST file to CSV can be useful for various purposes, such as data analysis, backup, archiving, or migrating to a different email client.

In this article, we will provide the manual and professional techniques to transfer OST file to CSV format. Whether you are a business professional or a home user, understanding how to convert OST files to CSV can help you manage your data more efficiently and effectively.

Benefits of Converting OST file to CSV

  • Converting OST files to CSV format makes it easier to manage and organize data, especially for non-technical users.
  • CSV files can be easily imported into spreadsheet software, enabling easy data analysis and manipulation for better decision-making.
  • Users can easily share and open CSV files on different platforms, making it easier to collaborate with colleagues or share data with clients.
  • Converting OST files to CSV helps users to export a non-readable file into a readable file type.

These are some of the benefits to convert OST to CSV. However, In some instances, users also want to convert OST file to PST in order to save the additional copy of their data. Now, Let’s discuss the methods to transfer OST file to CSV.

DIY Approach to Convert OST to CSV

To import OST to CSV file format, follow these simple steps:

  • Firstly, open Microsoft Outlook on your computer and click on the File button.
  • Then, choose the Open & Export tab and click on the Import/Export icon.
  • After that, select the Export to a file option in the Import/Export wizard and click Next.
  • Here, choose the Comma Separated Value (.csv) option and click Next again.
  • Next, select the mailbox folder you want to convert, choose any additional options, and click Next.
  • Afterward, browse to choose the destination folder for the CSV file.
  • Lastly, review and select any remaining options, then click Finish to complete the conversion process.

Converting OST to CSV file format is now a straightforward process that can be performed using MS Outlook, even by those with little to no technical experience. However, it is important to note that this manual method does have certain limitations that should be considered.

Limitations of Using Manual Method to Convert OST to CSV

While the manual approach to converting OST to CSV file format using MS Outlook is relatively simple, it does have several limitations. For instance, it is not possible to selectively back up specific mailbox data from within a complete folder, and not all Outlook mailbox folders can be backed up using this method.

Additionally, the manual approach is not ideal if you want to exclude email attachments from migration. Moreover, if you need to convert OST to another file type such as MBOX, this procedure will not be useful.

Therefore, it is important to consider these limitations and explore alternative solutions to address any specific requirements or preferences.

Advanced Approach to Convert OST to CSV

An advanced approach to convert OST to CSV involves using specialized third-party software that offers a range of features and benefits beyond those provided by the manual method. In this regard, you can use the OST to PST Converter tool which is a specialized software designed to convert OST files to CSV format. This tool can effectively convert bulk OST files into multiple file formats such as CSV, PST, PDF, EML, HTML, MSG, etc. It also supports selective and granular migration of specific mailbox items and can exclude email attachments from migration. Moreover, it provides a user-friendly interface that makes the process easier for both technical and non-technical users.


This article outlines several reliable and effective methods to convert OST to CSV format. While the manual approach using Outlook has certain limitations, it is still a viable option for bulk conversions. Alternatively, an automated OST to PST converter can streamline the conversion process and support multiple file formats, such as Gmail, PST, O365, HostGator, PDF, and EML, among others. With this converter, users can rest assured that their data will remain secure and intact throughout the migration process.