How to Convert OST to CSV File: Instant Solution

Summary: If you are exploring the best approaches to how to convert OST to CSV file format then you are reading the right page where we are going to discuss the top two best approaches which are manual and automated approaches by using the OST to PST Converter tool. But before starting to explain methods let’s understand why it is necessary to convert the OST file to CSV file format.

Why There is a Need to Convert OST File to CSV

Numerous usefulness of the CSV file insists users convert OST to CSV file format. – In the below steps we will explain some of the benefits:

  • To convert OST files to CSV make them more readable and understandable for users in the easiest way.
  • Users can access their data fast by exporting OST to a CSV file.
  • The process of OST to CSV conversion is needed to transfer a large database between programs.
  • The CSV file format is standard and can be opened by Microsoft Excel easily.
  • To move emails from the Outlook mailbox to the Excel spreadsheet you have to convert the OST file to CSV file format.

The above steps ensure that the users have to convert their OST file to CSV file format.

2 Approaches to Convert OST to CSV File Format

By using the two methods users can easily convert OST files to CSV in the simplest way. To begin we will explain the manual method and then switch to the automated method.

Approach 1: Convert the OST File to CSV Manually


  • Make sure you have to Active Exchange server profile
  • Confirm proper Exchange Server Connectivity.
  • Install MS Outlook with the same profile configuration.

Steps to Convert the OST File to CSV by Using the Manual Method

  1. In the first step, you have to establish MS Outlook.
  2. Click on the File option from the menu bar.
  3. Next, choose export to a file option and then click on the Next button.
  4. After that, pick out the Comma Separated Values option and then tap on the Next option.
  5. In the last step, pick out the folder from which you need to convert the OST file to CSV file format.

Note: The users can choose only one folder in a single attempt.

Drawbacks of Using the Manual Method

  • This method does not allow to move contacts from the Orphaned OST file.
  • It cannot export contacts from another user’s OST file format.
  • The manual method does not permit to conversion of multiple OST files to CSV in a single attempt.
  • The users can lose their data during conversions if they do not have the technical knowledge.
  • It is mandatory to install MS Outlook in your system and have good server connectivity.

If you do not want to face the above issues then you can move to an automated approach.

Approach 2: Automated Solution to Convert OST to CSV File

In this section, we will explain the automated method and their benefits.

To use this method the users need to install the best and most secure tool in their system to convert OST files to CSV on Mac & Windows without losing integrity. By using the OST to PST Converter tool you can convert OST to CSV online in the most significant manner.

Steps to Using the Automated Software

  1. Firstly, download and install the OST to PST Converter tool in your system.
  2. Then, select the single and multiple file options.
  3. After that, a new window will be opened on your PC then browse and pick out the OST file that you need to convert into CSV.
  4. Next, click to open button at the bottom.
  5. Tap the Next option to begin the scanning process.
  6. Then, mark the tree to choose the folder to preview attachments and email content, and then click on the Next option.
  7. Select CSV file format from the drop-down menu to migrate exchange data to CSV.
  8. Choose the start and ending date for the mail filter and task filter to choose particular mailboxes.
  9. Now, browse and choose the folder destination where you need to save your converted files and click on the open button.
  10. Next, Click the convert button the begin the conversion process.
  11. In the last step, your exchange files are converted into CSV, The users can download their log report for further reference.

Some Benefits of Using This Software

  • It has the utility to convert OST emails to multiple file formats such as CSV, PST, MBOX, EMLX, MSG, etc. with high accuracy.
  • It permits users to import their OST data to different types of email clients for example Gmail, Yahoo Mail, Office 365, Hotmail, IMAP server, AOL, and many others.
  • This tool converts single as well as multiple OST files to CSV and other file formats or email clients.
  • It assists in reducing the file size of the OST file by splitting the resultant PST file.
  • The users can run this software with all Windows Operating System versions including Windows 11.
  • It is supported by OST files of MS Outlook 365, 2019, 2016, 2013, 2010, and below versions.


In this blog, we have explained the most suitable approaches and reasons to convert OST to CSV. There are two methods available to convert OST files to CSV in an effective way The manual method carries more issues and technical knowledge required to convert OST files to CSV but on the other hand the users can use the automated method without any hassle. It is all the user’s choice which method they would like to choose to convert OST file to CSV file format.

Written by Lovely Baghel

As a Technical expert, I love to write blogs on email migration, data recovery, and cloud migration. In my free time, I like to research new things related to technology.

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