How to Extract Calendar from OST File – 2 Best Possible Solution

Introduction: If you are an Outlook user, you might be aware of the OST file. OST is an exact copy of your mailbox on the Exchange server. It is basically a cache of your Exchange mailbox on your local computer. OST files are very useful as they allow you to work offline and sync your changes later when you are connected to the Exchange server again. However, sometimes you may need to access the calendar data from an OST file without using Outlook. Maybe you want to switch to a different email client or you no longer have access to the Exchange server. In such cases, you can extract calendar from OST file and save it as a separate file.

There are both paid and free methods to export calendar data from OST file. In this blog, we will show you professional as well as manual method so that you can choose the one that suits your needs. You can download Yota OST Converter Tool on your PC.

Method 1 : Extract Calendar from OST file using Import/Export Option

The majority of users are familiar with the Import and Export features in Outlook. These features provide the ability to import data from a variety of file formats as well as export data to a variety of file formats. The Import and Export features can be accessed via the File menu in Outlook. However, to extract calendar items from OST files, you must be connected to the Server through your Exchange account. Follow the below steps to save calendar items from OST file:

Step 1. Open Outlook on your system. Click on File>> Open & Export >> Import/Export.

Step 2. Now, click on Export to a file option from dialogue box and click on Next option.

Step 3. Then, select Outlook Data File (PST) and tap the Next button.

Step 4. Here, you can select Calendar folder to extract calendar data and click Next button.

Step 5. Now, browse the desired location to save the extracted data. Click the Finish button as final step.

Limitations of Manual Process

The calendar from OST file can be extracted by the manual process but it has some limitations.

  • One of the biggest drawbacks is that it is a very time-consuming process. This is because you will have to export each and every calendar item from your OST file individually.
  • The entire process is quite lengthy and if any step is missed then the process has to be started all over again from the beginning.
  • This approach is not suitable for those who are not technically sound.
  • The manual process is also not considered to be very reliable as it is quite prone to errors.

Method 2 : Professional Way to Extract OST Calendar Items

OST files are basically Offline Storage Files that contain a copy of all the data from the user’s Exchange account, including emails, contacts, tasks, calendars, etc. These files are stored locally on the user’s computer and are used to provide quick and easy access to Exchange data when the user is offline.

Yota OST Converter is a reliable and professional way to extract OST calendar items. This powerful tool can quickly export calendar items from OST file and convert them to a variety of different formats. It is a convenient and easy-to-use tool that will save you time and effort when extracting OST calendar items. With just a few clicks, you can have all the calendar items you need converted and ready to use in the format of your choice.

Also Read: How to Extract Attachments from OST File?

With this tool, you can easily convert OST file to PST, EML, PDF, HTML, or MBOX format. This tool is very easy to use and comes with a variety of features that make it a must-have for anyone who needs to convert OST files.

Steps to Export Calendar from OST File are as follows:

Step 1. Download and Install Yota OST Converter Tool on your PC.

Step 2. Now, click on Open>> Email Data Files>> OST File. Browse the files and upload them.

extract calendar from OST file

Step 3. Preview the items of OST file and select the desired files to convert the files.

extract calendar data from OST file

Step 4. Next, click on Export tab and choose ICS as file saving format to extract calendar from OST file.

extract OST calendar items

Step 5. Lastly, enter the location where you want to save the extracted data and hit the Save button.

extract calendar from OST file

Why Choose Yota OST Converter Pro?

Advance Filter Settings: It is one of the most convenient solution in the market because of its advanced filter settings. With different filter options, users can select specific email items during email conversion instead of converting the entire mailbox. This allows for greater control and a more customized conversion process.

Transfer OST to Cloud Server: OST Converter is a software tool that has been designed for migrating email data from OST to a variety of other email accounts. Using this software, users can easily extract emails from OST files and migrate them into more than 200 different email account types. You can easily import OST to Office 365, Hotmail, Gmail, Exchange Server, etc.

Highly Compatible: OST Export tool is a standalone application that allows you to convert OST files without having any issue. This tool can be easily installed on all Windows OS like Win 11, 10, 8, 7, etc. The tool is available for free download and works with all versions of Outlook, including Outlook 2021, 2019, 2016, 2013, 2010 and 2007.


There are two ways to extract calendar from OST file. One is the free method which only works when the OST file is accessible and Outlook is connected with the Server. The other is the automated solution that smoothly extracts multiple items from the OST file and makes it the best software to convert OST emails into multiple formats. OST Converter is the best software to use for this purpose. Use the free version of the software to extract multiple items from the OST calendar and save them to ICS format.