How to Extract Contacts from Outlook OST file?

OST file is an offline copy of the user’s mailbox stored on the Exchange server. OST files stores complete mailbox including emails, contacts, drafts, notes, calendars etc. It enables the users to access all the data stored in the mailbox when the Exchange Server is not available. However, there are many reasons when user wants to extract contacts from OST file. Reasons can be creating a backup of contacts file, change this OST file into a portable file format like PST so that users can access these contacts in another system.

Two methods to extract contacts from Outlook OST file


Step 1: By Using Import/Export Feature of Outlook

Step 2: By Automated Method (Using Regain OST to PST Converter)

By Using Import/Export Feature of Outlook

1) Run Outlook program and click on the File tab.

2) Next click on ‘Open & Export option’ and then click on Import/Export option

3) After that, select Export a file option and then click on the Next tab below.

4) In next page appeared select Outlook Data File (.pst) from Create a file type option, and proceed by clicking on Next button.

5) Now select the Contacts folder and then click on the Next.

6) Next select the location for saving the files and according to your requirement you can select Replace duplicates with items exported, Allow duplicate items to be created or do not export duplicate items.

7) Click on the Finish button.

8) Now if you want to create a password protected PST files then create password by entering the password in Create Outlook Data File.

Automated Method: By Regain OST to PST Converter

There are several drawbacks of manual method discussed above like it is very lengthy, require technical knowledge, chances of data loss, and getting connected to Exchange server by users own profile. So to get rid of these entire problems by using third party tool this gives a simplified and automated conversion of OST contacts to PST format in very less time. You can go for Regain OST to PST Converter which is designed with easy and graphic user interface which can be used by an average user easily.


Steps to be followed for conversion are:

1) Install and Run Regain OST to PST Converter on Windows Operating system

2) Click on Add file/Add folder and select the OST file

3) Take Preview of the file before conversion

4) Save the location for saving the file after conversion

5) Next from saving option select ‘save to PST’ option

6) Click convert the process of conversion is under process.

Additional features of OST to PST converter

  • Instantly convert OST contacts in few clicks
  • No loss of data and maintains the original format of the data
  • Compatible with Microsoft Outlook 2019, 2016, 2013, 2010, 2007, 2003, 2000, 2002, 98 and 97
  • Supports all windows edition i.e. Windows 10, 8.1, 8, 7, XP, Vista
  • Detailed preview of recovered OST data
  • Professionally recover Outlook Contacts from OST file by OST Recovery Tool
  • Restore all OST folders in working format


In this page, we have discussed two methods for extracting OST contacts. One method is manual which does not require any pre installation but is very lengthy process. There various drawbacks of using manual process as there are chances of data loss, corruption of data etc. Second method is the most recommended method as the extract process is conducted automatically by the tool and accurate results are provided in very less time. This tool has easy steps of conversion but if you have any kind of doubt you can download the trial version of tool which is similar of licensed version.