2 Methods to Extract Calendar from OST File

An OST files everything on Outlook including calendars, emails, messages, etc. offline on your system in case the user wants to save data to review later. So there is no doubt that the OST file contains calendars that were made in the Outlook application. The question arises whether it is possible to extract one data out of those many or not. So yes it is possible to extract the calendar or anything else such as contacts for instance. The extraction method depends upon the connectivity of the OST file with the exchange server.
The OST file if not connected by the Exchange server will make you choose third-party tools to extract data. Here are a few other conditions where the third-party tools play important role in getting data from the OST file.

  • The OST file is orphaned or damaged.
  • Outlook is not accessible due to software or hardware issues.
  • And just as we discussed, the OST file is not connected to the exchange server.

Need for extracting calendar or data from the OST

Users may want or need some data very frequently and go through the same process of opening OST just to see basic information can consume time. Hence, converting data like contacts and calendars to a simpler file extension that can be accessed through the system is preferred by many users.

How to extract the calendar from the OST file?

There are majorly two methods to extract calendar data from the OST file in your system. One is the manual method that can be performed using the steps mentioned in this blog and the other is using a third-party tool which can be considered as a more automatic method since a lot of time is saved.

Method 1: Manual Extraction via Outlook

This method is useful if your Outlook is connected to the exchange server and is accessible.

  1. In the Outlook (2007) application go to File > Import and Export as your first step.
    Outlook application go to File
  2. The next step needs you to select Export to a File and click on Next.Select Export to a File
  3. Select Personal Folder File (PST) and then click Next.
  4. Select Calendar and make sure to check the box against Include Subfolders before clicking Next.
    Check the box against Include Subfolders before clicking Next
  5. In the next dialog box on the Browse, button chooses a location to save the PST file.
  6. Now enter a name click OK and finally click Finish.
    Now enter a name

In the case of Outlook 2010, please follow these steps.

  1. In the application go to File > Options and click on Advanced.
    Options and click on Advanced.
  2. Click on Export in the Export section.
    Click on Export in the Export section
  3. Then select Outlook Data File (PST) before clicking Next.
  4. Choose Export to a File and click Next.
  5. In the dialogue box select Calendar and Include Subfolders. Then click Next.
    Select Calendar and Include Subfolders
  6. Click on Browse to choose a location to save the extracted file and click OK. Then click Finish.

For Outlook 2013, 2016, and 2019 you can follow steps the same as the 2007 version. In addition to those steps in the end you get to create a password for the PST file. After extracting the data to the PST file now you can access it through the Outlook application easily.

Method 2: Third-party tools

Above mentioned steps to extract the data from the OST file are a little longer and take time. In addition to that, if the OST file is not connected to the exchange server, you will not be able to use the above method. Third-party tools such as OST to PST converter works for files even if they are not connected. They also reduce time by reducing the gap between converting OST to PST and using it in Outlook steps.

Download Now


Extracting data from the OST file is possible using manual methods and third-party tools. On one hand, the manual method requires more steps to convert the OST to PST first before using it in Outlook to view the extracted calendar. On the other hand, third-party Best OST to PST Converter tools save time by filling in the gap between two major steps.

Leave a Reply

Your email address will not be published.

  +  52  =  61