Convert OST File to CSV Format in Simple Steps

Rollins Duke   
Published: May 10th, 2024 • 5 Min Read

This post is written to answer the question asked by one of our clients for OST to CSV Converter.

Hello there! I screwed up. I need to extract contacts from OST file to CSV format. One-time event. Will your software do it and what will it cost?

Nowadays, several Outlook users are finding the solution to convert OST file to CSV (Comma Separated Values) format. If you are searching for the same, then your search ends now. Today we will share the best & the easiest way to accomplish this task, inclusive of emails messages and contacts. The key benefit of converting OST files into CSV is that users can quickly read CSV files using MS Excel, and the CSV file takes up less space to store the data.

OST to CSV Converter Free Download Application:

To convert your Outlook / Exchange OST into CSV file format, you should download this amazing application BitRecover OST Converter Wizard. The application is specially designed to import Contacts & emails from Outlook OST to CSV Excel spreadsheets, moreover, the tool can easily repair the damaged OST files.

Download for Windows Download for Mac

Note: Also, a demo edition of the software is available to Convert OST file to CSV format. Users can download it for free to evaluate toolkit performance before purchasing the software.

How to Export OST Files into CSV Format?

You can follow the step by step procedure to transfer your offline storage table .ost file to .csv format:

Step1: Kindly Download OST to CSV Converter Application and install it on any Windows Computer.


Step2: The Application offers the dual technique to select Source data (OST or PST) as “Convert configured Outlook mailbox data” option, which is useful for automatically uploading OST files from the default storage location and the second Option is “Let me select my Outlook mailbox data” It is useful to load PST files manually.

add .ost files

Step3:  Now the software starts analyzing the files/folders, users can check the required folder for the conversion.
OST to NSF Exporter

Step4: Choose the CSV saving option to convert your Source data into an Excel sheet.

select CSV file

Step5: Now, click on the Next Button to start the conversion procedure.

Step6: The tool will start converting your files from OST to CSV format, where the user can analyze the live conversion process.

Step7: After a successful conversation, you will receive the messages of completion, now Hit on Ok tab to Exit from here

click okay

Step8: After converting the OST data to CSV format, the software will automatically open the destination path so that users can easily find the resultant CSV files.

Here you can analyze that you can convert your OST files to CSV format in just a few simple steps. The application comes up with the free demo version as mentioned earlier. So download it to enjoy benefits.

Feature of OST to CSV Converter Application:  

  1. Application has the functionality to load .ost files automatically from the default data location of Microsoft Outlook.
  2. OST File to CSV Converter Software allows the users to export emails from OST Mailbox data to CSV including contacts Details.
  3. Allows the users to bulk convert OST files to CSV without having any size limitation.
  4. The application provides the “Use Recovery Mode” option, which allows the users to convert damaged & corrupted, and inaccessible OST files into healthy CSV format.
  5. The main reason for choosing the OST to CSV converter application is that it will maintain the folder system hierarchy.
  6. The application gives permission to change the destination path simply by clicking on the Folder icon.
  7. The smart solution provides a preview of the OST files, Users have the freedom to choose the selective OST file conversion.
  8. After successfully completing the process to convert OST Files to CSV. The tool automatically opens the destination path so that users can easily find the resultant CSV files.
  9. OST to CSV file converter can be installed & Run with any edition of the Windows Operating System including the latest Windows 11 and Windows Server 2019.

Frequently Asked Questions

Ques1 – How can I convert OST files to CSV Format?

Ans1- Please follow these steps to export OST files to CSV Format.

  1. Run BitRecover OST to CSV Converter and select OST files from the computer.
  2. Choose OST folders and CSV as saving formats from the software panel.
  3. Now, select the data storage path and click on the Convert button to start the conversion.
  4. OST files to CSV conversion process has been completed with the completion message.

Ques2 – Does your software allows you to convert Email messages from OST to CSV format.

Ans2- Yes, the application is capable to export the OST files to CSV format including emails, contacts, etc.

Ques3 – Is it possible to export Emails from OST file to CSV in bulk?

Ans3- Yes, the Software is capable to move emails from OST to CSV format in batch without size limitation.

Ques4 – Can I convert corrupted OST files into healthy CSV format?

Ans4- Yes, the automated solution is able to export contacts & Emails from damaged Outlook / Exchange OST files to CSV without losing any important information.


OST to CSV Converter is a simple tool for exporting Outlook/Exchange/IMAP OST files to CSV format. However, The main part is that the application can export numerous files at once, saving users valuable time. In case you have been stuck anywhere while using this tool, you can contact our 24/7 customer support. Our team feels happy to help you.